Kenwood's KSC-SW1 subwoofer may be just what you need if you're looking for more bass, but don't have space for a conventional sub box or powered sub. This compact sub features an amplifier that pushes 150 watts max to a 6-1/2" woofer, with a 6-1/2" passive radiator built in for good measure. It's all housed in a rugged, low-profile enclosure that will fit just about anywhere.

The passive radiator technology is one of the keys to the surprisingly big sound of the KSC-SW1. Air pressure from the powered woofer moves the unpowered 6-1/2" radiator, augmenting the bass response. Both subs are housed in a non-resonant cabinet with a rigid aluminum die-cast back panel. The rigid cabinet reduces vibrations that distort the output of the speakers, so you'll enjoy clean bass.

Kenwood has included a wiring harness that includes a power and ground cables, speaker input wires, and a fuse. Included mounting brackets help you mount the KSC-SW1 securely. And, the wired remote control lets you adjust the level, phase, and the low-pass filter settings right from the front seat.

Product Highlights:

  • powered, enclosed subwoofer with 6-1/2" driver and 6-1/2" passive radiator
  • built-in amplifier: 38 watts RMS power (150 watts maximum)
  • frequency response: 35-150 Hz
  • wired remote for control over:
    • volume level control
    • variable low-pass crossover (50-120 Hz)
    • selectable phase control (0°, 180°)
  • power/ground wiring harness with 10A in-line fuse
  • preamp (RCA) and speaker-level inputs
  • dimensions: 15-3/4"W x 3-11/16"H x 9-1/16"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

Who needs a powered subwoofer?

To produce bass, you need a sub, an enclosure, and an amplifier, and it can be little tricky to match them all up. A powered sub eliminates all the hassle, as the manufacturer designs the enclosure to house the sub and amp together. This all-in-one solution is especially useful in smaller vehicles, where there's no room to mount a separate amp, or in any vehicle where you need every bit of cargo space. Powered subs range from small, flat boxes that fit under your seat to larger boxes that go in your trunk.

Kenwood KSC-SW1 Reviews

Average Customer Review:

77 reviews
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Very Good COmpact Sub

Written By sansone, All over New Jersey on Sunday, September 07, 2008

Crutchfield Customer Review (What's this?)

Installed this in my 2008 Xb, under the passenger seat. Fits great and does provide very good sub, but you will be limited due to its size. You wll hear & feel so much better bass than factory system, but it could be a bit more fuller/powerful. (The problem is, I have a VW Jetta w/ Monsoon, and the sub in that is my benchmark and just can not be matched) You will not pound the neighborhood, but inside it sounds nice. Also installed Infinity 3 ways in the front doors, Infinity tweeters in upper rear, and blaupunkt 2 ways in the lower rear doors, so overall my system sounds great, however, I think a slightly larger size sub would probably make it sound just one notch better. But if you want to install an under seat sub, choices are limited, so this is a very good choice for the money/easy install.

Wondering if the Blaupunkt 8" power sub might be a better choice for my vehicle. May have to try it and see...

Kenwood KSC-SW1

Written By Bigsur, Hampton Roads, VA on Tuesday, May 06, 2008

Crutchfield Customer Review (What's this?)

This sub is great when considering price and size. For the most part, it sounds great, but it does tend to distort at higher volumes, especially with certain types of music. It's not going to give you the big sound typical of most larger subwoofers, but if all you're looking to do is fill the void when not getting enough bass from your door speakers, it does the job. I'm personally wondering if the KSC-SW10 would sound better; not sure. Overall, great subwoofer.

Good for compact car or truck, enough to fill the bass

Written By mikew151, Alpharetta, GA on Wednesday, January 30, 2008

I just purchased this Kenwood KSC-SW1 and here is my rating:
- Good to fill bass on factory setup. This subwoofer, like most people say in the review, good if you dont have space in your car or truck. But don't expect this subwoofer to thump. It will distort if you play hip hops or rocks in high volume.

- I am not a big fan of big 12 inch subwoofer that can rattle my car but at the same time I want to feel bass pounding. I dont get that from this subwoofer.

I owned 8 inch Bazooka, MTX X Thunderlink and this, overall, I like MTX X Thunderlink the best. The reason I got this one is because of its size. If you're like me, like the bass but dont want to wake your neighbor, go get the MTX Thunderlink.

However, if you want just to add bass because your factory setup is lack of it, then get this subwoofer. But if you have 6x9 speakers or component speakers with amp setup, this subwoofer wont make a different that much.

Best small sub

Written By fastfords, Erwin,TN on Tuesday, January 22, 2008

Crutchfield Customer Review (What's this?)

The Kenwood sub was a great buy with my Alpine reciever and polk speakers, put it in a ford ranger what a big difference. It sounded like a $5,000 system. For the money you can't beat this system. Easy install and Crutchfield had it at my door in two days what fast shipping. I will buy again from these guys. Thanks Crutchfied

Kenwood KSC-SW1

Written By Louie, Oakland, CA on Monday, December 17, 2007

Will not provide shaking bass, BUT definately fills in the lows that my Sony CDX-GT400 lacked. I placed this sub underneath the passenger seat of my Toyota Matrix and it feels great to have the bass right next to you. Easy install toke about an hour, I highly recommend getting lower gauge wires, since the wires that came with it are suprisingly thin. This is a great sub for those who want added bass, but not recommended to those who listen to hip hop, rap, or heavy rock for this might disappoint you (will distort). Also, I love the compactness and space saving design.

Blown away!

Written By rusooo, Ca on Tuesday, December 04, 2007

This little guy is being used on a '00 Focus ZX3 with Kenwood HU, Knwd KFC-P707 components, and stock speakers. I really wasn't expecting much from this but 'boy did it wow me. It's very user friendly, even for a novice, and gave me just the right amount of base(although you have to play around a little with the adjustments). If you want a good listening system with a little kick, get it, if you want to blow your door's off, this obviously ain't for you.

2007 Highlander

Written By dus10, Scottsdale, AZ on Tuesday, September 25, 2007

Crutchfield Customer Review (What's this?)

Using the factory JBL head unit and speakers (w/o navigation) I placed this unit in the back cargo area facing in towards the rear side panel (using the vertical mounting brackets on a 3/4" piece of particle board.

This Kenwood set works well - in my vehicle it fills the void that the factory speakers can't handle - I've dialed the factory speakers down on the bass and let the subwoofer do that work.

For the money and compact size it's a great unit. It won't rattle the doors and it does have limitations - but for a good fill-in sound with the ability to dial in the cut-off and volume with the remote it surely makes a difference.

I recommend this unit if you are looking for similar performance.

Huge Bass, Small Package

Written By Greg, Muskegon, Michigan on Saturday, September 22, 2007

Crutchfield Customer Review (What's this?)

Installed in a 1990 Ford Ranger regular cab with very little room in the cab! I have had several powered subwoofers a lot larger to achieve the sound this unit produces. If you want great sound out of this subwoofer, you must not install the power, ground & audio cables provided with this subwoofer! I did not like the multi pin connector this unit uses for the power, ground & amp turn on lead. I cut that part off at about two inches and soldered on an EFX 8 gauge amp wiring kit # 142PA8 sold here. After breaking in the subwoofer for 24 hours hooked up to a Kenwood head unit # 113KDCX491 also sold here, It was time to let it rip! I listen to Rock-n-roll / Heavy Metal sounded great. I tested it out on the Hip Hop channel, where it really hits pretty hard. Country and all other music sounds great. If you want to make the neighborhood hate you, spend the money on a 1000+ watt amp and a set of 15"s! If you want plenty of bass to ENJOY your music, this sub will work for you!

Subwoofer Upgrade for my 03 Subaru Forester 2.5XT

Written By Bobby, Newberg, Oregon on Sunday, May 27, 2007

I installed a factory subwoofer a couple years ago. The factory subwoofer is okay, but lacked power... I always wanted more power!

The Kenwood KSC-SW1 fits under the passenger seat where the factory subwoofer was installed. Instead of using hardware to mount the subwoofer, I glues strips of velcro (hook side exposed) to the bottom of the subwoofer. The velcro attaches nicely to the carpeting & makes for an easy installation!

To make the wiring of the Kenwood KSC-SW1 easier, I purchased an adapter on the internet so I could plug into the existing factory subwoofer wiring. In addition, I added a switch to turn off the subwoofer (blue/white power on lead). When I listen to talk radio, the subwoofer is not desirable, so I can flip the switch to turn it off & not have to fiddle with the remote control. I used the provided velco tape to mount the remote control to console, near the emergency brake.

The Kenwood KSC-SW1 is an improvement over the factory subwoofer, with nearly twice the power. The subwoofer will not rattle the windows, but it will be enough for most people. The installation was very easy... almost fun!

2nd time - for my wife's car

Written By grookes, Hayward, CA on Friday, May 25, 2007

Crutchfield Customer Review (What's this?)

I think I already have a review in here for my installation in my 2002 Honda Civic Si. I like this unit so much I bought another one for my wife's 2007 Toyota Matrix. I'm actually a little envious that it fits better under the Matrix seat (sits parallel with the back seat, resulting in more foot room for back seat passengers). In my Civic I had to put it in parallel to the door.

System sounds great as ever. My Civic has an Alpine headunit with RCA cables, hers has the Hi-Def JVC with RCA's. Best Buy installed it for $50.

As I think I said in my review for my Civic (about a year ago), the sub won't vibrate the car next to you, but it's sure cool having it under the drivers seat and hearing/feeling the music right there. For a perfect blend of space conservation and low-end, I have no regrets on getting this unit.... again.


Written By sickcured, Slidell, LA on Saturday, May 19, 2007

Crutchfield Customer Review (What's this?)

I have a very small two seater and this was the best choice for a sub. It does not rattle my trunk or liscense plate although it provides just the perfect backround for my music (rock and roll).

Inadequate power for trunk mounting

Written By Giovanni, Brooklyn, NY on Sunday, May 06, 2007

Crutchfield Customer Review (What's this?)

I Recently purchased this to add some oomph to the factory system in my 2002 Passat (w/o Monsoon). Originally, I intended to mount this under my front driver's seat. However, I quickly realized there was no room and opted for the trunk instead. It's nowhere near powerful enough to be located in the trunk. I'm returning it and buying four new door speakers instead. If it fits under your seat then this unit will be liley be what you're looking for to to fill in the low end range of your music.

Tip: if you're looking to do one thing to improve your stock system, change the speakers! And if you want to fully realize their potential, buy an amplifier.

Kenwood KSC-SW1

Written By Scott, Vancleave, MS on Monday, April 23, 2007

Crutchfield Customer Review (What's this?)

I installed the unit in my 2004 Avalanche, under the rear seat. I am very pleased with the size and ease of installation of the unit. My rear seats and mid-gate are still fully functional, and everything is out of sight. As everyone has stated, this unit is not going to break any windows, but I am not a teenager and am very happy with the sound. It really rounds out the music, and watching DVD's is awesome. It's as good as my home system.

Kenwood KSC-SW1

Written By Nathan, Springfield, VA on Sunday, April 22, 2007

Crutchfield Customer Review (What's this?)

I have this tucked over the passenger's seat in my 2004 WRX Seden. It improved the overall soundstaging of my setup, having clear and accurate bass flowing upwards within the cabin area. If you push it to its max, then yes, it will distort like any other speaker/sub in general. This product probably does sound a lot better in a smaller cabined car (Coupes & Trucks) but im very pleased with the clear bass it deliveries. **This item will deliver improved, clearer, and more "defined bass", don't expect it to punch like a 10" Sub.

Kenwood KSC-SW1

Written By dustin, Billings, MT on Friday, April 13, 2007

I have a '02 Dodge Dakota Quad Cab and there just is not enough room any type of real sub enclosure unless you remove the back seats and that defeats the purpose of the Quad Cab. I have had many systems before and know that bass is exremely important to me, so when I found this sub I was very excited and anxious to receive it. When I got it, my expectations were way to high because I am used to having at least 3 10" subs. This was extremely easy to install and it took a little while to dial in the setting with the remote and you cannot turn it up all of the way because it will distort very easily, mine is set to half and you definitely notice the difference when it is on. It will not pound you with car rattling bass but, it does fill the void of lows that I thought were unacheivable in my truck. After all is said and done,I was quite surprised how much it helps and I would recommend this to anyone who is not expecting to shake the car and occupants but, just wants to wind up with a pretty good sounding system in a small vehicle without spending a fortune

Kenwood KSC-SW1

Written By PHILIP, New Orleans, LA (West Bank) on Friday, March 16, 2007

I put this in my '05 F-150 extended cab where there isn't much room for anything else. Not looking to blow any windows out this subwoofer is perfect for my application. I was very pleasently surprised at the bass that this relatively small sub puts out, it fills the cab of my truck with a solid sound. Having installed it myself I can tell you that installation is a breeze. This sub is definitely worth the money if you want to add a deeper, clearer, sound to you're music.

Kenwood KSC-SW1

Written By Staney, Gilbert, AZ on Sunday, March 11, 2007

Crutchfield Customer Review (What's this?)

I put this Kenwood powered subwoofer in my 2006 Ram Quad Cab and it filled it with PLENTY of bass. It is connected to my stock nav system head unit combined with six Polk Audio speakers (no amps). I only have to turn it up half way and I feel the bass through the driver's seat under which I have it mounted. I also had it professionally installed. Maybe the others who are saying the bass power isn't there didn't install the unit correctly or didn't put it in a good location. I listen to a lot of techno which always has heavy bass and this sub delivers. If you want very full bass from a small compact unit this is for you.

This product is the real deal.

Written By danny indiana, Seymour, IN on Thursday, February 22, 2007

Crutchfield Customer Review (What's this?)

My setup:
95 ext cab Silverado
Kenwood KDC-MP632U
Two Boston S65 and two S75

This dude is the real deal. Mounted it under the driver seat. Don't believe the naysayers among these reviews. If you know ANYTHING about bass speakers, you will surprised at the amount of clear deep bass that comes from this 6" woofer. I used to have 2 10" Boston woofers in a thin truck box powered by a PPI 200w amp and this set up is comparable to that one. I like my rock loud and I like to feel the bass. I get both with this speaker. Definite 2 thumbs up!!

Beat My Expectations

Written By wes, Conway, AR on Wednesday, December 27, 2006

2001 Toyota Tacoma Ext Cab SR5 TRD
Kenwood Excelon KDC-X790
Pioneer TS-A6871R (in doors and rear panel)
Factory door tweeters
Alpine MRP-F250 (under driver seat)
Kenwood KSC-SW1 (under passenger seat)
Dynamat Extreme (100 sq ft - floors, doors, & panels)

Came together beautifully. GET THE DYNAMAT! Believe it or not, it is the foundation for all else; works amazingly well! Road noise is dramatically decreased. The 6x8's are loving the amp! Great bass response and super-crisp highs, although too powerful of mids can muddy up the music, so adjust as necessary. The amp is super-clean and gets those 6x8's LOUD! Often too loud for my liking, so the gain stays at half. The sub mounted perfectly under the seat and was CRITICAL for balance. It outperforms what I hoped for without upsetting the neighbors. Sometimes strains with rap, hiphop, techno, etc., but performs very well with all else. Finally, the head unit is loaded with options, including mp3 player input - 'nuff said.

If I could do it all again, I think I'd do components in the doors for add'l bass response and the tweeter upgrade (and may end up anyway). But, all-in-all, I am VERY pleased with this setup. 15+ hours of install, but completely worth it. People can't believe how great my truck sounds, and better yet: they can't see a thing! Stealth rules.

Thanks Crutchfield for all your goodies and your help!

Powered Subwoofer

Written By Travis, Atlanta, GA on Sunday, November 19, 2006

Crutchfield Customer Review (What's this?)

This is a nice little unit. It really warmed up the sound in my 02 Silverado. I was really hoping that the unit would fit under the passenger seat but unfortunately it did not.

Initially, I tried to hook this unit up using my factory head unit. The results were very disappointing. Then, I purchased a Pioneer DEH-P5800MP and WOW did it make a difference. I changed out all of the factory speakers with Pioneer also. This is by far the best sounding system I have ever had.

great idea... not as great sound

Written By Seth, Madison, Wi on Tuesday, November 14, 2006

Added this to my Jeep Grand Cherokee with the infinity system. Wasn't getting much bass out the the Alpine speakers I installed and needed space in the trunk for work items. This powered sub fit PERFECTLY in the back, out of the way yet still audibly noticible... but unfortunatly thats all it is... noticable. It doesn't pound, which I didn't expect it to but it distorts a lot with rock bass and hard kick drum hits so the volume can't be pushed too high. there is always the possiblity that Circuit City just didn't install it well but, I doubt that. I would say if you need to save space and are considering this sub, also look at the 8 inch bazooka tube... I had one of those in my 00 Jeep Wrangler and I never heard it distort once, the bigger speaker will give you better bass range and it's just about the same size and price (i think it might be cheaper).

All I can say is WoW!

Written By Daveydog, VA on Saturday, October 28, 2006

I recently upgraded the radio and front speakers in my 96 Toyota Tacoma extended cab truck and needed something to fill in the low end. I didnt want to take any space away from the cab space nor did I want to shake the truck apart. The sales guy seemed hesitant to reccomend this subwoofer but I decided to try them becuase of the feedback on this forum.
As others have stated these wont shake your license plate off but they will definatly give you great lows inside your truck or car. The quality is first rate and it has plenty of power to keep the speaker moving.
It mounted under the passenger seat without any issues and seems to stay in place without using of the mounting hardware.

How did they do it?!

Written By valecnik, Ankeny, IA on Saturday, October 14, 2006

Crutchfield Customer Review (What's this?)

I added this sub to my system because the Kenwood HU I purchased was disappointingly weak on low-end. I knew the sub would make a difference but I was truly shocked at the results. It it positively THUNDEROUS for my listening needs. No, it won't rattle your car apart (call me crazy but that seems like a good thing) but it will absolutely add substantial warmth and power to your sound. That Kenwood squeezed this capability into a sub that is less than 4 inches thick is a miracle of modern science. It fits perfectly under the passenger seat of my 2003 Toyota Corolla so I lose no practical space whatsoever. If you are looking to take your system to the next level but are short on room, this solution is perfect. Bravo, Kenwood.

2005 Tahoe Install

Written By MRKR, Wyoming on Monday, October 09, 2006

Good sub to fill the interior with bass. Great purchase if you listen to mod volume levels and like to feel some thump. Placed it on the floor under the rear seat in the middle. Do not purchase if you want your hat to move from the bass, won't happen. Our tahoe has the bose system, so you must splice into the factory sub wires out of the factory amp located in the rear of the console, and not any other speakers wires. Talk to a Crutchfield tech person and they will give you the color of the wires so there is no guess work. Very pleased with the product and the sound.

Great Sound, Tight Fit in a 2002 Subaru WRX Wagon

Written By Roger, Denver CO on Friday, October 06, 2006

Crutchfield Customer Review (What's this?)

I installed this unit under the passenger seat of my 2002 WRX wagon, where the OEM optional sub would mount. I didn't find the Crutchfield generic sub installation instructions to be especially applicable to my situation. The Kenwood instructions weren't much better, but this isn't rocket science, and I knew in general terms what had to be done.

The Kenwood instructions recommended mounting the sub to a piece of plywood under the carpet, and that seemed like a good way to keep it from sliding around. I removed the passenger seat so I'd have room to work, and the install went smoothly until I tried to replace the seat. Unfortunately, the sub sat about 1" higher when mounted on the plywood, and it interfered with the seat. I ended up removing the plywood, and it fit ok, but just barely. I decided to duct-tape over the rear seat heater outlets, which are located under the front seat, and now point right at the sub. That should keep the heat off the sub, and I don't have rear seat passengers very often anyway.

The Kenwood instructions recommended running the power wire to the HU, but I decided to run it directly to the battery instead. I clipped off the connector provided by Kenwood, and replaced it with a 3/8" washer-style crimp-on connector that I picked up at Radio Shack. It fit nicely under an existing bolt on the (+) battery terminal. I upgraded the HU to a JVC KD-HDR1 at the same time (the Crutchfield instruction sheet for that was excellent). I needed a 3' RCA patch cord to reach the line-level sub outs of the new HU.

The bass is not window-rattling by any means, but it fills in the sound nicely on the low end. It's what I was looking for.

good bass for an 81 dodge pickup

Written By vance, rexburg idaho on Sunday, September 03, 2006

Crutchfield Customer Review (What's this?)

this sub is a very good choice if space is limited and you want to fill in the low end of your sound. a stereo in my truck is playing music in a tin can. my regular speakers set to play the midrange tones and this kenwood sub works out great. nice solid bass no rattles no distortion unless i really crank up the volume. just right for my pickup and my moderate volume listening. i like and value crutchfiels tech people it's nice to know their there if you need them. they stand behind their products.

Practically perfect for my needs!

Written By Chris, Tucson, AZ on Monday, August 21, 2006

This sub is awesome! I wanted a sub to help complement my factory speakers and aftermarket HU, simply to provide a fuller, deeper sound. If you're looking for a ton of power that can wake the neighborhood, this isn't your sub.

Wiring was extremely simple, since you can draw power from the same connection as your HU. I didn't have to figure out how to go through the firewall to the car battery. The wired remote is extremely handy. I can easily turn down the bass without navigating through menus on my HU. The controls are simple and effective, allowing you to also adjust the crossover capabilities in the amp.

The only downsides for me were: 1) The supplied wires were extremely long and cumbersome. I didn't need all that length and ended up cutting and throwing away. But that was my installation; some people may need the length depending on where they install the sub. 2) It's still a bit tricky finding the right place to install this sub in a smaller car. It didn't fit underneath the front seat of my G35. Installing in the trunk would be too much work, and I was worried about how it would sound since it's a smaller sub. So I improvised and put it underneath the passenger-side floor mat as far back (towards the engine) as I could. It sits at an angle, and only cost me about 3" of leg room. It happens to work well for me, since my family and friends are not that tall. :)

Great and simple solution for my truck

Written By voxic, MD on Tuesday, August 15, 2006

Im not into blast your ears, hear ya coming from down the street bass, so I decided to buy something small and easy to install. This is the answer.

I have a truck, so even after I replaced the 6.5" door speakers, the bass would completely distort and crap out at med-high volume. I bought this and it adds so much bass that I cant even turn it up fully or else the bass from it will drown out the rest of my speakers. I found if I turn the bass all the way down on my head unit and turn this baby up -- it sounds AWESOME. Plenty of power and bass added to the mix for only having 6.5" woofer. It wont fit under my seat (the chevy colorados seats are abnormaly low to the floor IMO), but it fits PERFECTLY on my rear wall between the two rear seat backs on my extended cab. Comes with mounting hardware too. The instructions say to mount it to a wooden board, but I dont have that kind of room. It mounted fine directly to my wall with the supplied hardware.

The only down side is the remote. The wired remote needs to be connected for the thing to turn on. I like to "set it and forget it". I cant be driving down the road constantly messing with the remote everytime a new song comes on. It isnt so bad because the remote comes with velcro, so I attached it to the front face of the amp/woofer unit. Sometimes if the remote is hit while Im loading/unloading in the extended cab and I must readjust the settings. Not a big deal since there are only two knobs, but Id prefer inset crossover/volume controls on the side that would require a screwdriver to adjust, like the old days.

Bottom line, great little unit with plenty of kick, even for high-bass rap music.


Written By Nicholas, Woodstown, NJ on Thursday, June 29, 2006

I originally wasn't going to add a subwolfer to my 1996 Jeep Grand Cherokee. But after replacing the speakers, the head unit, and the amp... I figured I might as well. I need all of my cargo space, so this was my only real option. I pulled the trigger figuring that if I didn't like it, I'd send it back with Crutchfield's lovely RMA process.

The unit fits perfectly under the rear right seat. Its snug enough that I don't even have to bolt it down. It puts out a very full punchy sound for its size. It really fills out your sound.

It's not intended for block thumping bass, but for your vehicle only... and for that.. it's great.

I ended up running the subwolfer out from my Pioneer DEH-P7800MP. From there, I can do all of the tweaking needed. I left the sub remote under the seat with the sub as I don't need to constantly adjust the sub itself. I set the level to MAX and the crossover to full range, and then I can adjust it from the head unit.

Kenwood KSC-SW1

Written By scottyp, ny on Wednesday, June 28, 2006

Crutchfield Customer Review (What's this?)

This unit pumps out plenty of bass for your normal person, for such a small unit.


Written By Al, Richmond, VA on Friday, June 23, 2006

Although I got this unit as a present, I must say that it really adds a punch to the existing factory DVD/CD system in my '05 Honda Odessey. I wasn't looking for trunk rattling BASE that was going to annoy the peace out of my traffic-light neighbour. If you are looking for one like that, PLEASE DON'T READ FURTHER.

I'm surprised and I'm sorry that some recent reviews didn't sound happy about this Sub......
However after installation, with a little tweaking of the controls, I was pleasently surprised with the effect of the Sub. Truly, it sounds rich, sophisticated and good enough for one, to feel the punch all the way to the front seat in the Odessey with a small rise in the volume. IT IS VERY IMPORTANT TO SET THE CONTROLS RIGHT AND YOU MAY FIND YOURSELF TWEEKING IT NOW AND THEN WHEN YOU CHANGE CD'S. It does not bother me since the raised calibtation on the nobs help me to clearly identify where the setting is, so I don't even have to look at the nobs when I'm driving. My existing factory system is pretty good with excellent treble and mid and this sub made it just right, making it sound in general, better than the Bose system in my '03 ML320. All in all I'm glad I got this unit, for its size, sound and portability. By portability I mean, I have left about 18" of extra length on the cord connecting to the sub and velcro-taped the sub to the storage bin in the back, so when I fold the seat down, I can remove the sub and place it on the seat(which now becomes the floor). I'm really happy and would recommend this to anyone who is looking for some sophisticated BASE.

Easy Install, Poor Performance

Written By Swimmer, Honolulu, HI on Saturday, June 17, 2006

I was very dissapointed in this product. I was expecting better performance after reading all of the reviews. The sub distorts at low volumes even when the frequency set at modest levels. The upside is that this is a very compact unit that was easy to install. I would only recommend this to people who want to add a little low end to feable stock system. Anyone else will be dissapointed.

Outstanding Compact Sub

Written By Michael, Littleton, CO on Monday, June 12, 2006

Crutchfield Customer Review (What's this?)

I purchased this product wanting a little more bass than my stock speakers on my 1998 full size crew cab truck. I only had room for a small sub, under the back seat and this one fit just perfect. After reading the reviews, I expected decent improvement in bass, nothing earth shattering. At the same time I purchased a new head unit that had sub controls. Once dialed in , I was really impressed how much bass this small, 150 watt, 6" driver and passive radiator performed. I was truley impressed how much better the sound was using my stock speakers with the new sub. True, it does not thump you in the chest like two 12" subs with a 1000 watt amp, but for the power and size it is great. One problem I had is, right after hooking it up I could not get the unit to turn on because, since I had sub controls built in the head unit, I thought I did not need the remote control that came with the unit. It turns out that even if you don't intend on using it, it must be plugged into the sub. Like all guys, I did not read the instructions on this, but it is in the booklet. This is a great little unit!

Also, thank you Crutchfield for all the "little" extra items I needed to install this, along with the installations instructions for my vehicle. You do a great job.

Very Disappointed

Written By Doug, Spokane,WA on Saturday, June 03, 2006

Crutchfield Customer Review (What's this?)

After reading the good reviews about this product, I was really looking forward to getting this subwoofer. I don't need a lot of power, just wanted better low freq response without distortion, and the small package was a big plus. What I got was a subwoofer that isn't much better than the car's built-in speakers. The problem is that it distorts badly at even very low volumes. I only have the sub freqs (<= 125 Hz) turned up 4dB, and the overall volume at a very modest level, and it still distorts badly. It adds some low-end response for classical, but is almost unusable for techno and rock. Maybe I have a defective unit (I'm going to exchange it and see if it makes a difference), but this is a VERY disappointing product.

Good Value

Written By John, Houston, TX on Wednesday, May 31, 2006

Crutchfield Customer Review (What's this?)

I am impressed. I wanted to enhance my Toyota Tacoma Extended Cab bass, and this has done such a good job I'm getting another for my Sunfire. It certainly fills the bill for smaller vehicles, and for "enhancing" the existing bass, you couldn't do better. You won't win any contests with it, but you'll have some crisp affordable bass that's easy to install all wrapped up in a $250 package. (I also have another car with a 12: woffer and dedicated amp in a custom enclisure. This isn't as much bass, but it's a lot less expensive too!)


Written By sean, EPPING ,NH on Friday, May 26, 2006

Crutchfield Customer Review (What's this?)

This unit packs quite a wallop for its size. I had me doing a double take on how much tight bass it can produce. Plus it's adjustable with the remote! Its in a 97 ram with a stock head unit and infinity speakers up front,kenwoods in the rear. I was disapointed when I replaced the speakers on bass output,so Paul at crutchfield suggested this as my solution. He was dead on let me tell you! You won't be heard from two blocks away,or win contests,but i am way impressed,it thumps plenty for me,i don't even run it all the way up! Also was very easy to hook up with crutchfields tech advice on what my color codes were on my stock unit. Just under 2 hours to install and i was on my way to "rounding out" my system. Get one today! Like you reading this,I too read the reviews posted here,they are right on the money,with the exception a the nay-sayers..if you look there is only a few...

'98 Z71 install

Written By Dan, Defiance, OH on Wednesday, May 24, 2006

Crutchfield Customer Review (What's this?)

I wasn't sure what to expect with this product. I basically based my decision off of other people's reviews. I must say I was impressed, upon installation the bass filled in the gaps my door/rear speakers were leaving. I listen to mostly heavy metal/hard rock and the drums and bass guitars sound great. If I listen to HipHop they distort quickly at higher volumes, which doesn't matter to me since I'm not a bass junkie (anymore). I mounted in a 1998 Chevy K1500 ext. cab under the rear seat facing down. Absolutely no rattle and the sound is very clean & clear. The supplied bundle of wires was a little cumbersome, but was managable. Overall I must say that I'm really impressed and you can't beat the size, simplicity, and sound for $250.00.


Great for light pickups!

Written By jcp.usmc, Eugene, Oregon on Monday, May 15, 2006

Crutchfield Customer Review (What's this?)

I recently bought this unit to increase the bass and overall power of the stereo in my 1991 Toyota Pickup (extended cab). The price was more than reasonable, the enclosure is rugged and tough, installation was a snap, and the bass is crystal clear with no vibration from the unit. I would whole heartedly recommend this to any light truck owner due to its overall value and superb quality sound.

Sub-what?? Its hard to call this thing a subwoofer.

Written By Mark, Nashville, TN on Monday, May 15, 2006

On a scale from 0 to 10, I would rate it a 6. It is very compact and well built with no rattle whatsoever. The amp is easily capable of pushing it to its max. However, a very sharp low frequency cutoff really limits the speaker's potential, especially for Rap/R&B music. But then again, how much can one really expect from something so compact? I bought this solely because of its size and price ($150), expecting only a little change in my music...and thats what I got. The unit does produce nice sounding bass at moderate listening levels, but when the volume is cranked, the distortion is apparent. Installation is more tedious than difficult, and will take two to three hours depending on how stealth you want it to look. As far as my recommendation goes, I would say its a bad idea for people who like loud music or rap (or both). But it is a definite must for those people who, like me, want to add a little bass to a factory sound system without compromising space. Remember, you always get what you pay for. Don't expect too much from this set-up.

Great sound in a small package. Worth every penny.

Written By Jerry, Idaho on Monday, May 15, 2006

Crutchfield Customer Review (What's this?)

Great little unit! I needed some bass for my Fiero GT when the factory subwoofer gave up the ghost. After reading the reviews here, I decided to give this sub a try.

Installation was quick and easy, and it fit very well behind the passenger seat. A nice touch that no one has mentioned here is that Kenwood has included a generous length of wire for every connection... Enough wiring for almost any installation. I'm used to having to supply my own runs of wire, and was pleasantly surprised to find that no extra wire was needed... In fact, I had to cut most of it off as there was WAY more than I needed for the Fiero.

This little guy produces a surprising amount of bass for its size, and plays lower than you would ever expect it to. Don't get me wrong... It's not a door shaker, and it won't reproduce the lowest octave with any authority, but for most music that I listen to on the road, it has plenty of punch. Highly recommended for anyone who wants to add significant bass in a limited space.

Well done Kenwood!

Nice bass

Written By Dave, Pittsburgh, PA on Friday, April 21, 2006

1. I have a 2004 Jeep Liberty. Those of you who own a SUV, and like having your cargo space, know that bass is needed but so is the cargo space. This unit is tucked away under the driver's seat. It was either this unit or a single 8" Rockford set up so that it can be installed and taken out in less than a minute. Since I did not want to do this all the time, I decided to go with this unit.
2. The bass is surprisingly large. I had two 12" Rockford stage 2s with 2 Rockford amps (150 RMS a piece) in my old car. That setup would rank about a 7 on a scale of 1 - 10. This unit would be about a 4, if you know what you're doing when installing and tuning.
3. The people that struggle and do not like this unit must have done something wrong, or had somebody who didn't know what they were doing install it. My advice to you would be to learn how and do it yourself. This was my seventh sub install and I must say it was by far the easiest.
4. This unit will not shake you out of the seat, but it will deliver stong, accurate bass. If it is properly tuned, the Kenwood will match a low-powered set of 8s without a doubt.
5. I gave the Kenwood a four because I feel that it should have 150 RMS instead of 75. This would greatly increase the punch that the unit offers.

To sum it up...very accurate, strong bass. Easy installation but high price.

Kenwood KSC-SW1

Written By Joe, Denver, CO on Wednesday, April 19, 2006

Crutchfield Customer Review (What's this?)

What a surprise!!! I didn't know what to expect from a package that small but that is some of the best money I have ever spent on audio equipment. It has even increased the volume of my system, I was able to turn the bass down on the regular speakers and let the sub do all the work for the lows. Easy install, mounted it right under the seat in a Dodge Ram and yes, it shakes the seat! Great Product, good work Kenwood!!!!!!!!

Almost perfect

Written By Michael, Frederick, MD on Friday, April 14, 2006

Crutchfield Customer Review (What's this?)

I installed this unit under the passenger seat of my Subaur Outback Sport to replace the factory underseat sub (a Panasonic model). It's an excellent sounding box and seems to be well made. Unlike the Panasonic it replaced this unit doesn't rattle. It complements the Alpine head unit well because the power ratings of each match well. I wish the sub would work without the remote because my head unit itself provides all of the adjustment of the remote and I can't find a place to stash it.

Great product for its designed purpose

Written By jon, Denver CO on Thursday, April 06, 2006

I was looking to add some bass to the passenger compartment of my Ford Super Crew. I wasn't interested in getting ANY vehicle rattle, just bringing out the nice lows and mid tones in the music I enjoy. Coupled with my Alpine h/u and 4 Pioneer 4 ways, the complete system is a true pleasure to listen and hear.

Installation took about 3 hours, but only because I was so particular in its location. Its compact size allowed me to attach this self- powered sub to the bottom of the rear seat in my cab, in the center, firing downward. I believe this location actually uses the seat to resonate some of the sound without adding any rattle.

The included wired remote is also nice. While I do have full control of the sub through my Alpine h/u, I find being able to adjust the base with the remote slightly easier, even on the fly during different songs.

One last thing. I noted one of the reviewers mentioned that one of the two speakers in his unit was "already blown". There is only one powered speaker in this unit....the other speaker is a passive speaker that works in conjunction with the powered speaker.

If you are looking to rattle your windows or on passing cars, you should really look to a custom system with more power. If you simply want to hear a solid spectrum of sound from your music at comfortable levels and not lose functional room in your cab for your family and friends, this is your sub.

Small package comes with small power face it

Written By Jeff, New york City on Monday, March 27, 2006

I just installed this unit. I'm happy because I wasn't expecting much and all I wanted was some bass and easy installation and that's exactly what I'm getting. Installation was a breeze even for a 1st time sub installer. everything can be attach to the back of you head unit without going though your engine bay fire wall. Size is rather small but it has a draw back. It's way underpower. Don't expect any major rattle your back or window bass from this unit. Also it would not be enough power for any vehicle larger than a coupe. You can really hear the unit struggling when u turn the power to mid high level. This sub is best place inside the cabin and not the trunk. If you plan on placing this in the trunk I prefer you getting a small sub and box set up with seperate amp. I don't it to have enough power to do any quality bass in a seperate compartment. If you want to listen to real quality bass get something else but if you want SOME small amount of bass, compact, easy installation that is ligh on your wallet. This is the one.

blown speaker

Written By reg, Houston,TX on Friday, March 17, 2006

Good sounding product if your looking to add some lows to a factory system, but only after about a week from the installation, one of the speakers had blown. I was very disappointed and not quite sure if I would like to give this one another shot.

Awesome Lows

Written By Chris, Steubenville, Ohio on Wednesday, March 01, 2006

Crutchfield Customer Review (What's this?)

I read the reviews on this product and thought it would be a good investment for my truck. The minute i installed it i was impressed with the quality of this little system. I used to have a car with two twelve inch subs but not without some distortion. This product has virtually no distortion even at high levels. the install was a breeze with the included wiring harness. I would definetly recommend this product to anyone with a small interrior or limmited space to put some extra bass.


Written By HUGO I., Nuevo Laredo, MX. on Tuesday, February 21, 2006

Crutchfield Customer Review (What's this?)

When I decide to get this Kenwood accesory for my 1999 Mercury Cougar, I took a look to reviews from this product and I found a pair of not so good references about this, but... certainly I ALWAYS like to know and have new experiences, and I take risk of this product and now I can really tell you this is a very impressionant quality sound. It is the perfect complement for my Excelon Kenwood KDC-X889, just Kenwood can match another Kenwood perfectly, and this pair is a WONDERFUL SOUND MACHINE! Additional, car has a pair of 6X8" infinity reference speakers to hear sound... but this sub is just to FEEL SOUND !!!

Didn't know what to expect......

Written By vincent, Waialua, HI on Sunday, December 18, 2005

Crutchfield Customer Review (What's this?)

I read customer reviews, compared products...Effiency for size and being a powered unit and cost. Finally decided on this unit. Also ordered an Alpine 9845 to upgrade my stock head unit. I installed the HU first and gave it a test run. Loved the improvement of my stock speakers. Then I had to decide where to mount it because of space and mounting areas. Tested out two locations for sound issues first. Finally found a way to secure to the underside of the rear bench seat making it fire down to the floor...After tuning the HU and using the remote to adjust the sub unit, I was just amazed at how tight the bass was for such a small unit. Both products complemented each other well for my case (98' Fullsize chevy extended cab) I'm very satistfied of the outcome!!

Just what I wanted

Written By Jason, Saline, MI on Wednesday, November 30, 2005

Crutchfield Customer Review (What's this?)

My priority for a subwoofer in my 2006 Subaru Impreza wagon was that it not take up any usable cargo space, which limited me to an underseat design. I accepted going into the purchase that it couldn't deliver huge booming bass the way a big enclosure with a 12" woofer could. It does do a great job of filling in the lows that the stock door speakers just can't handle. For my predominantly rock and folk tastes, it does a fine job.

Installation was very easy. My only complaint is that Kenwood didn't put a ring terminal on the end of the battery wire, forcing me to cut their terminal off and use a bare wire connection.

Very Nice, not boomy Good for a true Audio File type person

Written By 2005f250diesel, Cincy, Ohio on Monday, November 21, 2005

Crutchfield Customer Review (What's this?)

I purchased the Kenwood KSC-SW1 for my 2005 Ford Superduty Diesel Crewcab pickup because I have four Infinity Kappa 682.7cf speakers which lack the low end due to the "woven-glass-fiber" woofer (see my review on these) The big problem with my truck is space for a subwoofer small enough to hide behind the back seat which doesn't offer much room. The size of this sub is extremely small and like other reviewers I was worried it would not sound adequate enough for the size of my interior and the fact it is sitting behind the back passenger side rear seat. Installation was a snap except I increased the length of the ground cable for better location. I attached it to my Alpine CDA-9851 and was a snap to setup. If your deck has a subwoofer control you can ditch the wired remote with gain and crossover control. Not needed with my 9851 because I have full control from the head unit, as I like to have. I listen to a lot of Progressive/Jazz music and I popped in a Dream Theater CD to give it a workout with Mike Portnoy's drums. All I can say is it adds to what the 682.7cf's lack and brought the music alive. Even though it is in the back on the right side of the truck it added just enough bass, which was never boomy! For other types of music or folks that like to get a back massage from the bass this is not the sub for you! Go custom with a bunch of watts! I also would not put this in a big van or full size SUV or even in the truck of a car. This sub is best suited for smaller vehicles and really should be staged in the middle of the vehicle so all can get the effect.

Big Bang small Buck

Written By randy, Greenwell Springs , La on Tuesday, November 08, 2005

Crutchfield Customer Review (What's this?)

I just installed this sub in my 04 ram quadcab. I needed something small that would fit under the seat because I have 3 children. I am extreemly happy with the low end bass sound. This thing sounds like you have huge woofers but it won't vibrate you out the chair, Just clear clean low end sound. I have changed all 4 door speakers to kenwood and added a pioneer head unit P4700MP to lead the sounds. The remote control on this unit is a dandy little item that lets you adjust the power of the amp and the frequency of the bass. If your head unit doesn't have sub controls this is a must. Kenwood throws it in the package so you know its there. Bottom line: great sound, great bargain, easy install. Save your backseat or cargo area this is all you need.

Kenwood KSC-SW1

Written By Ryan, Albuquerque,New Mexico on Thursday, November 03, 2005

It fit right under the back seat of my 92 jeep wrangler! due to its slim design! And for such a small machine it makes an incredible amount of bass! I was very pleased with my purchase and im sure you'll fell the same!!

Goldilocks would be happy...

Written By ryan, bay area, ca on Friday, September 30, 2005

Crutchfield Customer Review (What's this?)

I really didn't know what to expect from the KSC-SW1; but it's *just right* -- definitely impressed by the sound quality. My main goal was to fill the sound, and not have any equipment taking up space in the cab of my 04 Toyota Doublecab.

BACKGROUND: The KSC-SW1 is definitely NOT a 10" boomer -- WAIT: keep reading: for it's size, it does a magnificent good job of filling out the low end. I listen to different types of music, from jazz to hip hop to electronic to rock, and this sub compliments each very well.

CONTEXT: Beastie Boys, "High Plains Drifter"... 8/10 (the bass is there, but it won't shake you); Kid Rock, "Cowboy"... 8/10 (the bass is there, but it won't shake you. Jazz sounds good and full; with clean, full bass notes -- but no overpowering 'boom' 9/10.

INSTALLATION: A breeze. If you know the difference between a hammer and pliers, you'll have no problem. This is the first time I've ever installed anything in a car, and it took about 2.5-3 hrs (all by myself). The scariest part was cutting that grommet in the firewall to run the power cable. A more experienced installer could have this thing installed and kickin' in under an hour.

- The wiring harness makes it extremely simple to install
- Try to install the unit w/ some free space in front of the speaker... Just flipping the unit around behing the seat, so the speaker was wedged against and facing the floor and rear wall, made a HUGE difference.
- The remote control is great for making 'on the fly' adjustments.
- This is running w/ an Alpine deck and Infinity 6x8's and I couldn't be happier ;)

Kenwood KSC-SW1

Written By Stevesparadise, Alameda CA on Tuesday, September 27, 2005

I put this sub in my hatchback of my mustang. I have had it in my car for a week now. I was at first astonished by the sound of the sub. But the more I listen to it with different types of music, and with different beats and songs, I realized I had made a mistake buying this sub. With hip hop and some techno music it can sound muddy. You can make a few adjustments but it still doesn't sound right with my MB QUARTS i'm running. Saves alot of space though! Don't waste your money on this if you want accurate, deep, bass. Buy it as an option for an affordable, super compact, average sounding, easy to install, subwoofer and you are looking to add a bit of bass to an average stereo.

Powerful....and almost perfect.

Written By Derrick, Blacksburg, VA on Saturday, September 24, 2005

Crutchfield Customer Review (What's this?)

I've had the Kenwood KSC-SW1 chillin' behind the passenger seat of my 1988 Nissan 300ZX for the past 3 months, and I must say that this is what my car really needed. Kenwood has done it right: designed an easy to install and configure (and put up with) low-frequency solution to space-challenged vehicles. This thing is very compact and tidy in size, but the bass output is gargantuan. It is the perfect addition to a decent aftermarket (or factory) stereo system that suffers from the lack of a real bottom-end. But, like everyone else pretty much has said about this unit, it will not create earth-shattering bass. I gave the KSC-SW1 a 4 out of 5 rating because of its limitations: depending upon your taste of music, preferred listening volumes, and the loudness of your vehicle, it may be fairly easy to discover how much natural bass can be dialed-into the music before this unit starts to lose it. If you drive a noisy vehicle or drive fast with the windows down, you will challenge this subwoofer and will most likely choose to increase the bass level. But, the KSC is very competent and can produce many different sounds of bass without fuss. And it has a remote control that you can mount in an easy to reach location of your vehicle. This feature alone gives the Kenwood KSC-SW1 a significant advantage over many of its competitors. Check it out for yourself.

Kenwood KSC-SW1

Written By Michael, San Francisco, CA on Monday, September 19, 2005

Crutchfield Customer Review (What's this?)


Kenwood KSC-SW1

Written By Kevin, Alpharetta, GA on Saturday, September 17, 2005

I purchased this only after reading the reviews and was completely won over once it was installed. The reviews were very accurate and I only wish I had not bought a new in-dash system, door speakers and amplifier before trying this product. Had I done so, I might have saved a bit of money! I have a Suburban and could never get a deep enough sound out of the 6" door speakers, but now the sound is complete and I can enjoy those long drives.

Kenwood KSC-SW1

Written By Craig, Massachusetts on Wednesday, September 07, 2005

Crutchfield Customer Review (What's this?)

I just had this product professionally installed in a 2001 Nissan Maxima. It fit completely under the passenger seat so that there was no cargo space sacrificed. The bass is quite clear and smooth and it may have even helped having the seat directly over the unit to provide some dampening. The pro shop that installed it did not carry this brand but was very impressed by the combination size, price and performance. I am impressed as well. It works well to add a good amount of bass (not the window shaking kind) and allow the rest of the factory system to be less strained and distorted. The remote is useful since it allows you to turn the factory system control for bass way down and then use the subwoofer gain control to add in the amount you want (for each song if you want to play with it that much or just set it).

In a word- Fantastic

Written By Paul, Columbus, Indiana on Saturday, September 03, 2005

Crutchfield Customer Review (What's this?)

I have always been partial to Kenwood car stereos, and this purchase just confirmed why. This is a great little sub.

If your looking to blow your neighbors windows out, this is not the sub for you. If you are looking for a very clean, clear, deep tight bass enhancement, this is the perfect choice, and it fits under the seat.

I combined this with a Kenwood KDC-MP4028, hooked to the sub-out. I was a little concerned at first that this 6-1/2 (has an active and passive speaker), thin sub might not be "really" what I was looking for, but boy was I pleasantly pleased.



Written By Dave, Mechanicsville, VA on Friday, September 02, 2005

Crutchfield Customer Review (What's this?)

I have a 2002 Toyota MR2 Spyder. Storage space is very very limited. The KSC-SW1 fit in the compartments behind the seat perfectly. The boosted bass has made my stereo sound awesome. I can't believe something so small can put out such deep bass. This sub is perfect for any car with limited space.

Kenwood KSC-SW1

Written By brian, Texarkana, TX. on Thursday, September 01, 2005

Well I bought the bazooka bta6200 at first. Hooked it up in my ranger edge and it sounded ok. Not very clear and not very deep. I sold it and took a chance and purchased the kenwood, because in car audio quality is hands down to large watts that really sound like crap. All I can say about this unit is excellent, small, easy to install and remote make it a perfect choice for those looking to add a little more bass to their system. Will it wake up the neighbors--no, but will it rock out to hendricks-you bet. Super design, clean bass, and fills out the music.

Made my Dad happy

Written By Shane, Buchanan, MI on Thursday, July 14, 2005

Crutchfield Customer Review (What's this?)

I bought this for my dad for Father's day to put in his 1979 rx-7. We were going to hide it in a storage compartment, but decided to display it in the rear because it looked so good. After we installed it, which was easy, we cranked her up to see what she could do. Not near as loud as my 10's, but it was very clear, and it made my dad happy.

Space Saving Dream

Written By Glassman, Traverse City, MI on Thursday, July 14, 2005

Crutchfield Customer Review (What's this?)

I just replaced Kenwood's original radiator/sub combo (the WOOX) with this. This unit is an improvement. Both of them BLOW AWAY Clarion's 7" powered sub. I have it mounted under the front seat of a Saturn Vue. It rocks. I have 20 years of car audio experience and I know what good bass is. There is no boom just good bass. I have it run from the sub out of a Clarion Pro Audio Deck. My trick was bungee chording it upside down (Just like I had the WOOX mounted) and letting it fire off the floor. In my vehicle this made a huge difference. This unit puts out more power, has a variable crossover, and has a lower profile...all with a 6 1/2" driver (opposed to the 5 1/4" of the WOOX). I would recommend this product.

Kenwood KSC-SW1

Written By MUSTANGCOBRA1353, Sandy Spring, MD on Thursday, July 14, 2005

Super product. After I got it installed and put in a CD the system had a full range of sound. It is not a 10" sub-box, but for what it is it works great. My F350 shakes with bass now. Product worth every penny, and I still have plenty of space in the tow rig for gear.

Great bass for less than a month

Written By robert, fairbanks, alaska on Wednesday, July 13, 2005

when I first got this subwoofer assy, the install went well and it worked great!! but after less than 2 weeks,
the passive speaker blew apart, figured It was just a bad speaker and replaeced it. About 2-3 weeks later the passive speaker has blown again. I'm not saying this is a bad product, just that I personally have had a bad experience with it which Kenwood themselfs are trying to figure it out. The size, the bass response and controls are a great design and make great bass!!!
maybe mine has an amp thats overpowering?? have talked to several dealers and none have seemed to have had any problems. So like I said not condeming the product
just a bad personal experience, I really hope that Kenwood Figures it out because I do like the way it sounds when the passive is OK.

Kenwood KSC-SW1

Written By Larry, Germantown, MD on Saturday, July 09, 2005

Crutchfield Customer Review (What's this?)

I am giving this component the highest rating as it did exactly what I expected it to do, which is supplement my sound system with the punch and bass response that I was lacking with my standard 4 speaker system. It is also built really well and includes a handy remote to tune in the frequency response as well as the level. Phase cancellation issues are covered as well with the push of a button to flip the phase.

The installation went smoothly as well with all of the required accessories included. If you have a pretty straight forward conventional car stereo system and would like to round it out with some bottom end without spending a fortune or sacrificing a lot of trunk space, this product will get you there.


Written By Ambar, Hollywood, LA, CA on Sunday, July 03, 2005

Crutchfield Customer Review (What's this?)

I absolutely love this sub-woofer. It's under the passenger seat and it absolutely rocks! I love the remote feature that allows you to dial in the frequency cut-off as well as the volume and it also has a phase shift button. It rocks and so does Crutchfield. Loud enough, crisp and punchy and great. WTG!

Kenwood KSC-SW1

Written By Ken, Texas on Wednesday, June 29, 2005

Crutchfield Customer Review (What's this?)

I was surprised at the great performance of this unit. I installed it in my boat, which has a 100 watt (RMS)per channel amp driving two 6x9 2-way Sony car speakers and a 20 watt (RMS) per channel amp driving two 6.5 2-way Infinity car speakers. The Kenwood sub gives a solid punch to the low frequencies and is a great addition to the rest of the system. Even with the high ambient noise at full speed on a boat, the system sounds great. The size and built-in amp made it an easy install. For the size, price, and performance, this is a great package.

Exceptional bass in small package

Written By Dwayne, Evansville, IN on Tuesday, June 21, 2005

Crutchfield Customer Review (What's this?)

I was looking for a compact sub to put behind the seat in my Pontiac Fiero. With my height being 5'10" I only have about 4 inches of space behind the driver's seat. This product is definitely worth a try if space is an issue for your car like it is in mine. Though it struggles to produce the ultra-low frequencies (below 40-45 hz), the overall bass response far exceeded my expectations. I bought this product last week and I just ordered a second one to put behind the passenger seat.

You won't win very many sound off competitions with this product, but if you have a two-seat sports car with a mid-engine, I'd say this is the way to go.

The Jeep has the sound balance back

Written By Phil, Detroit, MI on Saturday, June 11, 2005

This powered Sub was a great solution for my sound system. I installed a four-channel amp rather than a Five or Multi-channel (space issues on the Jeep Wrangler). The factory sub could no longer keep up with the rest of the system. Enter the KSC-SW1. Nice fit to my system. Plenty of base sound on midrange setting and great sound. Sure you will not be able to knock your hat off with a small sub like this; but it has plenty of power, and keeps pace with the rest of my system. Thumbs up on the space saving solution. I love the remote ability to adjust the sub with a imple turn of the dial. I am very happy with this product.

Kenwood sub

Written By roy, San Antonio, TX on Thursday, June 09, 2005

Crutchfield Customer Review (What's this?)

The help from Crutchfield was as advertised. I installed the sub myself as it is impossible to get someone to solder connections, run wires like an A&P licensed tech, and make the whole thing invisible. I installed this sub in a 2005 Nissan Frontier, extended cab, with the 'upgrade' radio. I am not sure what they upgraded, but it wasn't the speakers. The front are okay, the back are the worst I have heard, and the tweeters can't be heard (bad speakers and bad location). It took about five hours to install (location and learning curve), but worth every minute. I had to adjust the settings, but the sound was like you hear from one of the kid's cars...I am almost 60, but a kid at heart. For the money, you can't beat this. With new Polk tweeters mounted correctly and new Polk speakers in the rear, there is no need for an additional money I've spent on a stereo upgrade...and, I've been doing this for about 47 years.

All Things Considered...

Written By Jonathan, St. Louis, MO on Thursday, June 09, 2005

Overall, I'd say this all-in-one subwoofer unit is a pretty good buy. Like many others have said, its not going to blow you away, but it does provide a good range of bass to fill out the sound. I installed mine in my '04 XTerra. It doesn't quite compare to the 2 10" subwoofers I had in my tiny Celica 6 years ago, but it gives me what I need - good bass in a small package (I didn't want a big, clunky box taking up a lot of cargo space). Installation was simple with my sub pre-outs. The remote is a GREAT feature, as you can tweak bass as needed (one of the complaints about my Alpine head unit is the inability to quickly change bass levels, but this helps with that). At first, I found that I couldn't quite get the right sound, but eventually I got all the high-/low-pass filters, MediaXpander and EQ settings set just where I wanted and it sounds great.

If you want the most bass for your buck AND space, I'd say a product like this is the way to go. Its totally up to your budget and desired sound. There are other options, like a Bazooka tube or the Infinity Basslink, but based on features (remote) and price, I went with the Kenwood, and am not dissapointed. I did not purchase this particular unit from Crutchfield, but I did buy my head unit from them, and I have nothing but good things to say - very professional, great service. My biggest tip: DO YOUR RESEARCH. You won't be dissapointed. Good Luck.

Great Sub unit!

Written By hawleyrw, Dayton, OH on Sunday, May 22, 2005

I purchased this for placement under the seat of an 04 Jeep Wrangler. Underseat placement didn't quite work out, so it's behind the drivers seat. I couldn't want for more bass that this little unit delivers. I'm usually turning it DOWN, cause it's so efficient at delivering quality audio bass (not just rivet-rattling THUMP and BOOM) like you hear going down the road most of the time. Excellent choice in a powered sub!.

Perfect for a touring bike!

Written By Ronald, NewKensington Pa. on Friday, May 20, 2005

Crutchfield Customer Review (What's this?)

I installed this product in the trunk of my 04 Honda GL-1800 Goldwing. The only speakers prior to the install where four Polk ES-350's pumped by a 240 watt 4 channel amp. I purchased this sub hoping to get a small amount of bass. The 4 ½" Polk's are a clean sounding speaker BUT they are only 4 ½". This thing exceeded what I had hoped for the size of the unit. I now can hear and feel the bass at 75 mph. Well done Kenwood and thanks Crutchfield!

Kenwood KSC-SW1

Written By fasted, Rochester,N.Y. on Thursday, May 05, 2005

Crutchfield Customer Review (What's this?)

I just installed this sub-woofer in my 2005 Colorado crew cab. It fit under the rear seat and took about an hour to install. The remote makes for easy adjustments.My new Kenwood head unit has sub pre outputs and made it easy to hook up.I am very pleased with the bass output coming from such a small sub.This was my third purchase from Crutchfield in three weeks. I am pleased with the quick shipping and included extras with each order.Thank you.

New Kenwood KSC-SW1

Written By Scott, Clayton, Ohio on Tuesday, April 05, 2005

I had this subwoofer installed about an hour ago, and I'm still amazed over how much bass comes out of this small package! The inside of my RAM 1500 shakes with the bass produced. It took a little time to get the high and low pass filters adjusted, along with the subwoofer level from my head unit, but it sounds like I have a pair of 10 inch subs in the back of my truck. This unit is great if you want to make your truck look stealth. The bass is clean and crisp overall. You can hear it working overtime when you really put it to the test, but then this unit isn't designed to win any contests. If you want clean-powerful bass in a small package that will enhance any soundsystem, get this unit, you WILL NOT be sorry!

Hands-on research

What's in the box?

Download owner's manual

  • Amplified subwoofer
  • Wired remote bass control with attached 19-3/4' flat cable (terminates into an RJ-14 plug)
  • 19" RCA patch cord extension (with stereo female RCA jacks on one end and right angle stereo male RCA plugs on the other end)
  • 19-3/4' Power/Ground/Remote/Speaker input harness (with a 10-pin Molex plug on one end)
  • 2 Rubber cushions (2-3/8" square x 3/4" thick)
  • 3/8" x 1" Self-adhesive Velcro strip
  • 6 Hex/Phillips-head self-tapping screws (5mm x 16mm)
  • 6 Machine screws (M4 x 6mm)
  • 2 Metal side-mount brackets
  • 2 Metal horizontal-mount brackets
  • Metal cable support
  • Instruction Manual
  • Warranty card

Features and Specs

Enclosure Type Passive Radiator
Finish Material Poly
Grille Metal
Connector Type RCA/Molex
Bi-amp Inputs No
Woofer Size (inches) 6.5
Woofer Material Poly
Passive Radiator 6.5
Width 15-3/4"
Height 3-11/16"
Depth 9-1/16"
Second Depth N/A
Parts Warranty 1 Year
Labor Warranty 1 Year
Frequency Response 35-150 Hz
Amplifier Power (RMS) 38 watts
Maximum Wattage 150 watts
Sensitivity ---
Impedance ---
Second Voice Coil Impedance ---
Crossover Point 50-120

Product Research



Product Overview: The KSC-SW1 amplified subwoofer features a 150-watt (75 watts Peak x 2) amp, a dual voice coil 6-1/2" concave woofer, and a 6-1/2" concave passive radiator, all housed in a rugged, ultra-compact enclosure that will fit just about anywhere. The KSC-SW1 creates impressive bass through passive radiator technology. Air pressure from the powered 6-1/2" woofer moves the 6-1/2" passive radiator, augmenting the bass response.

Wired Remote Control: The wired remote control provides fingertip control over your low frequencies. You can raise and lower the bass level and the crossover point, plus switch the phase from 0° to 180°. The remote control can be attached anywhere using the supplied Velcro strip.

Mounting Options: The subwoofer, with it's 3-11/16" height, can be mounted flat under a seat in the passenger compartment, or in the trunk. With the included brackets, the subwoofer can be mounted on its side in the trunk or in the cargo area of an SUV.

Mounting Notes: The side bracket extends the overall depth to 4-3/8". If the upper screw holes are used, the side bracket raises the overall height to 10". The horizontal mount brackets extend the overall depth to 11-3/8"

Cable Management: Even though the connections are on the bottom, the unit mounts completely flat thanks to a 1-3/4" wide and 3/8" deep groove in the bottom for cable management.


Wired Remote Control:

  • Phase: 2-way switch to select the phase of the subwoofer (0° or 180°)
  • Frequency: rotary dial to control the low pass filter frequency (range: 50 to 120 Hz)
  • Level: rotary dial to control the volume level of the subwoofer

Note: There are no controls on the subwoofer.


Bottom of Woofer:

  • Power/Speaker Input: 10-pin jack for use with supplied harness
  • Remote: 6-pin jack for use with supplied wired remote
  • Line In: stereo RCA jacks

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.