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Crutchfield

Sound Ordnance B-8PTD

125-watt compact powered subwoofer

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  • Sound Ordnance B-8PTD

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  • Sound Ordnance B-8PTD

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  • Sound Ordnance B-8PTD

    Remote

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    Remote control knob

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Our take on the Sound Ordnance B-8PTD

by Buck Pomerantz
Sound Ordnance

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.

Fill your vehicle with bass, not equipment

Want to put some bass to your vehicle without a lot of fuss? Sound Ordnance's B-8PTD powered subwoofer is the latest version of the B-8PT, one of our all-time best-selling compact powered subwoofers. Sound Ordnance built this new version to perform even better than its predecessor, putting a cool-running 125-watt amp and a rugged aluminum 8" sub in an extremely compact, solid ABS plastic enclosure,so you get years of bass satisfaction. This all-in-one unit frees you from having to deal with a separate sub, amp, and enclosure, saves you cargo space, and simplifies your wiring requirements. Whether it's mounted under your car seat or in an out-of-the-way location in the cab of your truck, this little workhorse will surprise you with its impressive bass and its ability to mesh perfectly with the rest of your system.

Sound Ordnance B-8PTD powered sub

This compact sub delivers strong bass without taking up much space.

Big bass from this tough little sub

A 125-watt RMS Class D amplifier powers the sub and lives on a compact circuit board mounted inside the enclosure. The sub's stiff 8" aluminum cone holds its shape even when playing hard, helping to keep the lowest notes clean, and ensuring a long life for the sub. You can adjust the low-pass filter, variable phase control, and bass boost to get the B-8PTD sounding perfect in your vehicle. Preamp- and speaker-level inputs allow convenient connection to just about any system, even a factory stereo.

Sound Ordnance B-8PTD powered subwoofer

The molded ABS enclosure houses a 125-watt amp and a tough little 8" sub.

Good design helps

The B-8PTD's tough outer casing of molded ABS plastic serves as the sub's sealed enclosure and can withstand some pretty extreme internal pressure changes with no reverberating or buzzing. Sound Ordnance conveniently located the neat, clean, easy-to-understand controls on one side, opposite all the connections, so you won't get tangled in wires as you tune your bass. The control knobs and switches aren't recessed, so you can make adjustments by hand, without the need for a tiny screwdriver.

See more info on this item

Highlights:

  • powered subwoofer with heavy-duty ABS plastic enclosure
  • 8" woofer with aluminum cone
  • built-in Class D amplifier (125 watts RMS/250 watts peak)
  • frequency response: 40-200 Hz
  • variable low-pass crossover (80-200 Hz)
  • variable phase control (0-180 degrees)
  • bass boost control (0dB to +10dB)
  • preamp- and speaker-level inputs
  • auto turn-on switch
  • wired remote control included
  • 8- or 10-gauge wiring (not included) recommended
  • dimensions: 9-1/8"W x 3-1/8"H x 13-5/8"D
  • warranty: 3 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
Enclosure Type
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Sealed
Finish Material
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Metal/plastic
Grille
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Metal
Connector Type
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RCA/Molex
Bi-amp Inputs
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No
Woofer Size (inches)
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8
Woofer Material
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Aluminum
Passive Radiator
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---
Width
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9-1/8"
Height
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3-1/8"
Depth
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13-5/8"
Second Depth
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N/A
Parts Warranty
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3 Years
Labor Warranty
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3 Years
Specifications
Frequency Response
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40-200
Amplifier Power (RMS)
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125 watts
Maximum Wattage
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250 watts
Sensitivity
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88 dB
Impedance
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N/A
Second Voice Coil Impedance
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N/A
Crossover Point
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80-200
Product Research
What's in the box?

Download owner's manual

  • Amplified subwoofer
  • Two 15A ATO fuses (1 installed)
  • Wired remote bass control
  • 14' Remote cable (RJ-14 plug on both ends)
  • 8" Speaker input harness
  • 2 Mounting clamps (4" x 1")
  • Two 6" x 3/4" Self-adhesive "Hook" strips (half of the Hook and Loop combination)
  • Seven 3/4" self-tapping screws (to secure mounting clamps and wired remote)
  • 4 Self-adhesive foam strips (two 3/16" wide and two 1/4" wide)
  • Owner's manual
  • Mounting feet instructions
  • Warranty information

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 open the box, verify contents, 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.

Features
Controls
Connections

Features

Overview: The B-8PTD amplified subwoofer features a 125-watt RMS (250-watts max) amp and an 8" sub housed in a rugged, compact enclosure designed to fit in tight spaces.

Wired Remote Control: The wired remote puts control of your subwoofer output level within easy reach. The remote can be mounted using the attached double sided tape or the included self-tapping screw. The dimensions are:

  • Width: 1-3/16"
  • Height: 1-1/4"
  • Depth: 1-7/8" (2-1/2" including the knob)

Mounting: The subwoofer, with its height just over 3", can be mounted flat under a seat in the passenger compartment of many vehicles. Two mounting clamps are included to secure the subwoofer to a flat surface.

Controls

Power Mode:

  • Auto: amp turns on when a signal is present on the speaker-level input
  • Remote: amp turns on when 12 volts is applied to the remote terminal

Level: rotary dial to set the amplifier gain control

Bass EQ: bass boost; rotary knob, 0 to 10 dB

Phase: rotary dial to set the subwoofer phase; 0° to 180°

Frequency: rotary dial to control the low pass crossover frequency; 80 to 200 Hz

Connections

Power: power, ground, and remote inputs are on a screw terminal strip; each is 0.35" wide

Line Input: stereo RCA jacks

Speaker Input: Molex jack for the included harness

Remote: 4-pin RJ-14 jack for use with included remote cable

 
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Sound Ordnance B-8PTD Reviews

Average Customer Review:

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Filter by rating:
4 out of 5

Sound Ordnance B-8PTD

Written By Chris, Shreveport, LA on Tuesday, July 22, 2014
Crutchfield Customer Review (What's this?)
 
Product was easy to hook up with my current aftermarket stereo and sounded great!
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5 out of 5

Great fit, sounds better

Written By Fred F, Seabeck WA on Sunday, July 20, 2014
Crutchfield Customer Review (What's this?)
 
I didn't need a massive thumper-machine. Fitment was more important because this unit is for our camper. I had no place to install a sub until finding this one. Now it can be moved to another location if I don't like the first pick.
Pros:
Fills in the missing bass just like a sub's suppose to.
Cons:
None yet
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4 out of 5

Big sound out of a little package

Written By Freakin Rican, Panama City FL on Sunday, July 20, 2014
Crutchfield Customer Review (What's this?)
 
I wasn't expecting to have earth shattering bass but this little system surprised me. I have no room in my truck for a proper sub box so this was the only alternative. If I could have given it a 4 1/2 star I would. Not quite a 5, but close. And the deal Crutchfield had made it a no brainer. Very pleased with the product.
Pros:
Small size, big sound, easy installation.
Cons:
Doesn't pick up low hertz-but that's expected as is 2" wide......
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5 out of 5

Sound Ordnance B-8PTD

Written By CCRIDR, Cave City, AR. on Tuesday, July 15, 2014
Crutchfield Customer Review (What's this?)
 
Great little amp and sub I was pleasantly surprised by the amount of bass this small unit produced. Everything needed to install it was included.
Pros:
A great fit for my Jeep Wrangler. Easy to hook up.
Cons:
None
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5 out of 5

B-8PT

Written By Donnie H, Tylertown,MS on Tuesday, July 15, 2014
 
I have a friend that has a 2004 Dodge Quad Cab and wanted some bass in his ride that would not take away any room. so I suggested the B8PT. This did the trick for him. It filled in the bass he was missing from his door speakers that are by-the-way not stock. This little unit is not meant for trying to shake your friends car next to you. It will fill in the bass that your door speakers have trouble producing. To secure the remote bass knob we used 3M velcro and it worked just fine. If you'll adjust your gain and crossover properly I think you will enjoy this unit. We also hooked it up to RCA outputs on his Pioneer radio.
Pros:
Fits just about anywhere, 3 year warranty, and came with amp kit.
Cons:
Some try to compare this unit to an SPL subwoofer and in doing so are greedy with their stars.
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5 out of 5

happy

Written By Sumi, Los Angeles, Ca on Saturday, July 12, 2014
Crutchfield Customer Review (What's this?)
 
I am pleased with this unit.
Pros:
compact size easy install good performance
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5 out of 5

Love the Sound Ordnance B-8PTD

Written By Brian, Maryland on Friday, July 11, 2014
Crutchfield Customer Review (What's this?)
 
Great subwoofer, when the bass hits it isn't over powering but yet it still sounds very smooth.
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5 out of 5

Jeep

Written By John L, Far East on Wednesday, July 09, 2014
Crutchfield Customer Review (What's this?)
 
Reviews are what we look for and this is one little power house. I installed this unit under the back seat of my 95 jeep. More than enough bass for any song. Easy install, balance of controls and I still have room.
Pros:
Easy install
Cons:
None
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5 out of 5

Works well

Written By boleebar, Midwest on Monday, July 07, 2014
Crutchfield Customer Review (What's this?)
 
Installation was easy with the free wiring kit that was included with the purchase. It did take a little bit of time working with the controls both on the sub, as well as the sub controls on the head unit, to get the sound i was looking for. Occasionally, a song will need a little more or less and that is easily taken care of with the remote dial.

As many have stated here before, if you want to fill in the bottom of the spectrum in your system, this works very well. The shape/size of the unit makes it possible to put under the driver seat (despite the electric seat adjustment motors, etc) and not lose any storage space in my quad cab pickup. I would describe the sound as "tight" and not "boomy" as others have mentioned.

If you are looking to annoy people outside your vehicle with massive thumping bass, this is not the unit for you. If you have limited cab space and want to fill out the sound of your system so you can feel the kick bass and bass guitar - and you are willing to spend some time adjusting the sound controls, I would think you would be satisfied. I am.

I've had this unit for almost a month and have had no QA issues to date.
Pros:
Size, ease of install, sound
Cons:
None so far
1 out of 1 people found this helpful
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5 out of 5

Sound Ordnance B-8PTD

Written By Anonymous, Nashville, TN on Friday, July 04, 2014
Crutchfield Customer Review (What's this?)
 
Excellent product for the money...fits good in older model chevy trucks
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5 out of 5

Sound Ordnance B-8PTD

Written By Anonymous, Portsmouth VA on Thursday, July 03, 2014
Crutchfield Customer Review (What's this?)
 
Unit works great. Works much better with a line converter if you going to use the factory head unit. Very happy with it.
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2 out of 5

Reliability Issues

Written By Allan, Lugoff, SC on Wednesday, July 02, 2014
Crutchfield Customer Review (What's this?)
 
This sub has reliability issues, I am using a stock head unit so I am running through the high level input and had issues with the auto turn on. The first sub lasted for all of about 14 seconds and Crutchfield was great about sending a replacement promptly, the second worked for a few hours and gave the same issues. It is a bit boomy and doesnt handle lows the best but fills out the system when it is working. You may not have the same issues running on the low level input with remote turn on. I have returned this item and gone with the Focal iBus 20 for the time being. For anyone considering this, im sure you have also looked at the Kicker hideaway and the focal, please check out the following article on this website. I did not find it until after my original order but the actual performance stats vary pretty greatly from the listed stats. http://www.crutchfield.com/S-uhvO7tdSuXL/learn/testing-three-compact-subs-in-the-crutchfield-labs.html
Pros:
Fits under seat Great customer support
Cons:
Reliability Quality Control Build Quality Sound
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1 out of 5

Poor longevity

Written By steveinglendale, Glendale, CA on Wednesday, July 02, 2014
 
Got this several years ago to help out with base after replacing rotted, blown paper Infinity speakers with polys in 2000 Durango. Polys are stiff especially when new and had little low end delivery at low to med volume. Though handy with tools I did not feel confident to hook-up to stock head unit myself. Professional installation and set-up gave an OK boost with some dead zones, but was acceptable - for about a year. Then became all fuzzy and worse than unusable. Crutchfield tech said I probably blew it out playing it too loud to get enough base feel. Ah, isn't that what it's supposed to do? So, no help, and now just occupies space under passenger seat. Also, there was no effective way, mechanical or glue, to attach the remote volume control to the underside of the dash. Just falls off no matter what I tried and there's no access to pass into the dash or mount it from behind - poorly thought out with no execution.
Pros:
Nice size, OK'ish performance when it worked.
Cons:
Not enough punch for the money, poor electronics build quality, pain in the neck to install in some vehicles..
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4 out of 5

BOOM! - Sound Ordnance B-8PTD

Written By RebelDave, Uniondale, NY on Friday, June 27, 2014
Crutchfield Customer Review (What's this?)
 
Big things come in little packages. This sub definitely packs a punch considering the size. I intended on placing the sub in the trunk of my VW Jetta but after receiving it I realized it would work much better placed right underneath the drivers seat. I do not have to turn the knob control that comes with the unit up more than half way to receive a clean, crisp sounding bass. Other configurations with my head unit have been done to make the overall sound better so I definitely recommend assistance with the setup if you're not an audiophile. My only gripe is that the unit does not cover the lows as well as the highs.
Pros:
-Small unit with a large sound.
Cons:
-Lows are not well defined
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5 out of 5

Got a little boom

Written By ScottM, EasternShore, VA on Friday, June 27, 2014
Crutchfield Customer Review (What's this?)
 
A lot of searching to find something to add a little extra to my YJ. Fit prefectly under the rear seat and was easy to install. Sounds great and was just what I was looking for.
Pros:
Easy to install. Improved the overall sound of my system.
Cons:
None yet.
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2 out of 5

Just didn't hold up

Written By Sean, Port Angeles, WA on Tuesday, June 24, 2014
Crutchfield Customer Review (What's this?)
 
I installed this unit behind the seat in a day cab Kenworth Truck. Running my full range speakers off of deck power I figured it would be enough bass. I had to turn it almost all the way up but with that done it did all right considering how small it is. I really wasn't expecting to rattle any windows just a little bottom end to fill out the sound. So all in all I would have rated this with 4 stars but then it quit working yesterday. Only 6 months old and it just quit. Really disappointed with build quality... even for the money I still expected at least a year of trouble free. Crutchfield has been great though... no hassle .. they had me test the voltage on the supply to make sure it wasn't in there and then gave me an RMA number to replace it. I went ahead and ordered the infinity basslink for a bit more punch and will use this in another vehicle after it is replaced. So 2 stars for unit but 5 stars for Crutchfield customer service.
Pros:
Small package to fit in tight spaces and sounds o.k. considering size
Cons:
Build quality just doesn't hold up
2 out of 2 people found this helpful
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5 out of 5

suits my system well

Written By m.o., Hastings, NE on Monday, June 23, 2014
Crutchfield Customer Review (What's this?)
 
Purchased this to add bass to a system I just replaced all speakers and headunit. The sound was good but was missing the definit bass sound. Clarity was their and great mid tones. But deep bass was absent. So by reading reviews on Sound Ordnance B-8PTD had a lot of positive reviews. So I went with it and I am glad I did. The size fits great in my 1994 F 150 regular cab. And the sound is great for my needs. But must say if you want window vibrating thumping. This is not for you. It's a great set up for adding the lows alot of 6 x 9 speakers can't produce without the distortion.
Pros:
Compact, all in one unit. Easy adjustments.
Cons:
Mounting brackets don't work well on carpet. Screw broke through the holes when tighten down.
1 out of 1 people found this helpful
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2 out of 5

S/O Amp

Written By Chuck, Inverness,Fl on Sunday, June 22, 2014
Crutchfield Customer Review (What's this?)
 
after installing this Sub, discovered it was a Dead Short, have exchanged and installed replacement. So far so Good, what happened to Quality Control?
Pros:
Good sound
Cons:
Quality I'm in doubt of.
2 out of 2 people found this helpful
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4 out of 5

Sound Ordnance

Written By Dillon, Mertztown on Saturday, June 21, 2014
Crutchfield Customer Review (What's this?)
 
I have a 2003 dodge dakota and this fit perfect. I am 16 and if you are looking to wake the neighbors up this is not the powered sub you want. This sub just fills in that bass that your door speakers cannot hit as good. I gave it a 4 out of 5 because the connectors for the ground and power cable that were supplied with the powered sub are to big to fit into the outlets on the sub. No big deal I just cut a little bit off the connector an it fit. And also it didn't fit under my seat a little disappointed but oh well it doesn't take up much space anyways. But all in all it sounds good for an 8in sub I would recommend it to anyone who wants a little bass.
Pros:
Small Good sound Good quality
Cons:
Connectors don't fit Didn't fit under seat
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5 out of 5

big sound small package

Written By Chad, wellford,SC on Saturday, June 14, 2014
Crutchfield Customer Review (What's this?)
 
for the money this cant be beat esp in a truck. Put this in my 13 ram truck and i am well pleased. This fits under the seat great and for one 8 inch sub it sounds great. If you want full range sound with a little bump you can feel get this !!!! if you want ppl to hear ya 3 miles away this probably aint for you. love the fact it comes with a wiring kit right now and they finally put a set of hard mounts for the sub. The remote switch alows for adjustment on the fly if you relly want to crank it up !!!! A+++++++
Pros:
small, easy to install, free wiring at this time through crutchfield, big sound, love it !!
Cons:
none that i can think of
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2 out of 5

S/O B-8PTD Dodge ram

Written By Juergs, Thibodaux, LA on Saturday, June 14, 2014
 
I bought this a couple years ago and put it in my dodge ram. Took the middle front seat out and custom installed it there. I'm not a fan of this. Of course, my truck already had the 7 speaker infinity sound system but I was looking for a little more bass. It did give me a little more on the low end but not much. Also, the unit (speaker I think) has blown for the second time. I sent it back to Crutchfield the first time and they fixed it for free. Now, I'm done with this thing. I guess you get what you pay for. If you don't have any bass in your car right now, this will probably work but it's not for me.
Pros:
small and in-expensive
Cons:
speaker is cheap in design
2 out of 2 people found this helpful
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4 out of 5

Sound Ordnance B-8PTD

Written By J man, Mullica Hill, N.J. on Friday, June 13, 2014
Crutchfield Customer Review (What's this?)
 
This sub is solid as a brick in build quality! About as easy to install as they come, even with the less than perfect instruction manual. Plenty of bass for me; almost too much. I am still experimenting with the adjustments to get the sound just right for my taste. I think the sound would be even better using the pre-amp inputs, but I had no choice but to use speaker inputs. I mounted it on the rear wall of my Tundra Crewmax so I could slide the rear seat all the way back. The design of the 07 thru 13 Crewmax rear seating does not allow the sub to be mounted under the seat. Folding the seat down flat would cause damage to the sub. All in all, I am very satisfied with this sub, especially for this price!
Pros:
Self contained. Easy to install. Well built. Priced right.
Cons:
Instruction manual could be better.
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5 out of 5

Great little sub

Written By Seth, Ny, ny on Wednesday, June 11, 2014
Crutchfield Customer Review (What's this?)
 
I purchased the sub for my 2009 hyundai accent and it was dead on arrival. I called Crutchfield on a Sunday and the rep was very prompt to troubleshoot and decision was made to send another replacement on the spot. When the replacement arrived, I was pleasantly surprised on how perfectly it fit completely under the passenger seat. The seat has plenty of room to move forward and backward without touching the sub. As far as sound quality it is awesome. The sub provides more than adequate bass. You won't rattle the trunk door or the pants of the guy next to you at a red light but for my level of bass it's perfect. The remote bass level control is perfect and used 3 m double sided tape since the included tape was useless. In general it's perfect for my application and the price rocked which even came with a free amp wire kit.
Pros:
Awesome punch for a small compact car. Guys perfectly under the passenger seat of a 2009 hyundai accent. Simple easy to setup. Comes with a cool decal and no frills.
Cons:
The double sided tape on the remote control was useless but no other cons at all.
1 out of 1 people found this helpful
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5 out of 5

These sound great

Written By Mike B, Turtle Creek, NC on Wednesday, June 11, 2014
Crutchfield Customer Review (What's this?)
 
These sound great for not that much money. Really thump and do not take up too much room. I've had 4 of them. Two in the current car.
Pros:
Low profile big sound.
Cons:
A little quirk where the power screws on can arc between the connection and the body. Just put a piece of electrical tape on.
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4 out of 5

Inner ear

Written By Merell, Atlanta Ga. on Tuesday, June 10, 2014
Crutchfield Customer Review (What's this?)
 
This is a Product that's perfect for someone who loves listening to music. Because it's the perfect listening device for compact sound with a huge sound as though it's from a much larger device. At first I didn't want to go with this compontent device, but I'm glad I did the sound for the size is wonderful. So I say this to others out there that want to save some funds for a really good sounding device. I would say go with this device for really good sound. Also the Quility is there as well as the durability.
Pros:
The pros are the sound and Quility is there but, for more punch in the sound you'll need to step up to a bigger component in size as well as power.
Cons:
This particular component is great for your average listening sound with enough punch to get the job done without fail, but to raise the bar in depth you'll need to invest in a larger component of its size to really get the job done in a really deep base way of that kind of sound.
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5 out of 5

Sound Ordnance B-8PTD

Written By Jay D., Eastern Kansas on Monday, June 09, 2014
Crutchfield Customer Review (What's this?)
 
The Sound Ordiance Amplifier is perferct for me. I really did not want a thumping amp like I did when I was younger. The amp let's me hear crisp clear notes. I am Very happy with this product.
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5 out of 5

Sweet!

Written By Dave, Alabama on Sunday, June 08, 2014
Crutchfield Customer Review (What's this?)
 
Lil sucker thumps. Just buy it, you'll like it!
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5 out of 5

Big Boom Small Package!!

Written By Mrs Rogers, Las Vegas, NV on Saturday, June 07, 2014
Crutchfield Customer Review (What's this?)
 
Totally pumped up the stock system in my Escalade!! Paired with the amp it feels like a live band is in my back seat playing. I can feel the bass, but it's not over powering or distorting all the good quality sound!! LOVE IT!
Pros:
fits under the seat, easily installed, was able to keep factory radio.
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4 out of 5

Ordnance did the job

Written By Mike J, South Plainfield NJ on Friday, June 06, 2014
Crutchfield Customer Review (What's this?)
 
The Ordnance was just what I need to give my Kicker and Pioneer speekers what was lacking. easy to install in my classic car
Pros:
Good sound for the money easy to install
Cons:
Had to install it in the trunk did not fit under the back seat
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2 out of 5

Sound Ordnance B-8PTD

Written By Dave B, Ford Cliff, PA on Thursday, June 05, 2014
Crutchfield Customer Review (What's this?)
 
I love music and enjoy premium sound. But this sub is just not doing it for me. Ya, I can here it, but doesn't have quality sound. Did my research before buying and mostly good reviews so id figure id give it a try. Will be sending it back and going another route. Love Crutchfield, been purchasing from for years. I know they will take it back and I will see what I will attempt next.
Pros:
Compact, easy to install
Cons:
Not strong bass at all. My stock speakers drown it out.
1 out of 1 people found this helpful
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4 out of 5

Nice Product, But Not For Me

Written By matty777, Seattle, WA on Thursday, June 05, 2014
Crutchfield Customer Review (What's this?)
 
Was wanting an all-in-one bass solution for my 2006 4Runner Sport. Read the good reviews on this product and decided to give it a shot. Initially installed it under the front passenger seat. Spent some time finagling with the sub's onboard settings (XO, Boost, Level, Phase), as well as my HU's EQ (7-band Sony) and got a pretty good sound coming out for most tracks. However, right off the bat, I noticed that this sub tended to "disappear" at certain spots in certain tracks, specifically during bass-intensive rap/hip-hop tracks (this is where you could argue that I should have been shopping for a different product to start with, and you're probably right). I found that I could massage some of the settings here and there to alleviate some of this "emptiness", and while this would solve some problems, it would create others. After perhaps a week of having the sub under the front seat, I decided to try putting it in the trunk, instead. There were pros and cons to this arrangement; overall, most tracks sounded better, but the tracks that were just "OK" before now sounded much worse.

I thought "eh, I can live with this", but after 3 total weeks now I've decided that I don't want to have to compromise with the sound, so I'll be looking to upgrade to something in the 300+W RMS range. I don't want to fault the product at all, I simply think that, based on the size of my car and the music I like, I should have been shopping for a different product from the start.
Pros:
Very low profile, nice adjustments, probably a good solution for small spaces or low-to-moderately heavy bass demands. Comes with multiple mounting options. Outer shell seems highly durable.
Cons:
In a large volume or with heavy bass demands, this unit struggles to keep pace.
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4 out of 5

Nice

Written By ChickenDinner, Chicago on Tuesday, June 03, 2014
Crutchfield Customer Review (What's this?)
 
I am no audiophile, but this delivers the bass I was hoping for
Pros:
Nice sound
Cons:
none
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5 out of 5

good price, size and bass

Written By CB1, Hawaii on Monday, June 02, 2014
Crutchfield Customer Review (What's this?)
 
The Sound Ordnance B-8PTD is the perfect combination of small size, good bass and affordable price. it fits in my Trailblazer under the rear storage compartment.
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5 out of 5

Sound Ordnance B-8PTD

Written By Anonymous, west virginia on Monday, June 02, 2014
Crutchfield Customer Review (What's this?)
 
this sounds amazing for how small it is. really pumps up the mids and some lows.
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5 out of 5

surprising

Written By jeff w, LaPorte, TX on Tuesday, May 27, 2014
Crutchfield Customer Review (What's this?)
 
Bought this for my wife's Suburban. Installed very easy. This sub really surprised me. Sound great. Wife's happy, happy, happy, so everyone is happy...
Pros:
Instalation very easy.
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1 out of 5

Junk

Written By Nate, USA on Tuesday, May 27, 2014
Crutchfield Customer Review (What's this?)
 
No bass at all , more sounds like noise more the rumble. Putting it together was a pain. The high gage wire wouldn't fit in the inputs. If I crank it up it sounds like it's going to explode . Waste of money. It might sound good if you had 6 of them under every seat. I do not recommend this product. You are better off buying a well known brand like alpine or kenwood .
Pros:
It fits anywhere
Cons:
It doesn't sound good at all, no matter what genre you listen too
1 out of 1 people found this helpful
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5 out of 5

Great Product

Written By DavidW, Lewisburg, WV on Tuesday, May 27, 2014
Crutchfield Customer Review (What's this?)
 
I find that this product gives plenty of bass. It doesn't rattle the windows, but who needs that anyway. It is a very nice addition to my sound system. Also it was very easy to install in my vehicle.
Pros:
Nice sound. Easy install.
Cons:
None
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5 out of 5

Sound Ordinance B_8PTD

Written By Jim, Houston,TX on Tuesday, May 27, 2014
Crutchfield Customer Review (What's this?)
 
The Sound Ordinance B-8PTD is a low profile self contained subwoofer / amplifer that sounds great and really completes the audio spectrum. It fits under the front seat so you don't know it's there but you can here that wonderful base.
Pros:
easy straight forward connection Great bass sound low profile fits under the seat very reasonable pricing looks good too
Cons:
didn't buy it sooner
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5 out of 5

This thing cranks!!

Written By Shane, Wilmington, NC on Sunday, May 25, 2014
Crutchfield Customer Review (What's this?)
 
I am very surprised at the sound this little thing can produce. Fills out my 07 Tacoma nicely. I highly recommend installing and using the sub remote. I was on the fence about using it and I'm glad I did. I am using it all the time as some songs don't need as much bass as others. It is a nice option and overall I am very please with the purchase.
Pros:
Easy installation and very user friendly.
Cons:
It did not fit under my Tacoma front seat as I had hoped. Instead I have it on the floor board in back and it is just fine there.
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5 out of 5

Sound Ordnance B-8PTD

Written By Anonymous, Portland, Or on Saturday, May 24, 2014
Crutchfield Customer Review (What's this?)
 
Awesome little sub. Sounds great and fits almost anywhere.
Pros:
Easy to install. Small footprint. Better bass than I expected.
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5 out of 5

Great Unit

Written By davtheknave, Whitingham, Vt on Friday, May 23, 2014
Crutchfield Customer Review (What's this?)
 
This is a solid unit with awesome sound. Fits neatly under my passenger seat and delivers on it's promise of super not-too-over-the-top bass.
Pros:
Great sound, adds that thump of bass without being obnoxious. I listen to rock/metal and this is a perfect fit.
Cons:
none and none
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5 out of 5

Can't beat it!

Written By B.J. Vodron, Midland, TX on Friday, May 23, 2014
Crutchfield Customer Review (What's this?)
 
For the price, this thing can't be beaten. I put it in my work truck (2013 F150 Crew) where space is limited due to equipment I have to carry. The entire thing took me about 30 minutes start to finish (although I already had a nice accessible +12VDC source and used www.the12volt.com for vehicle specific wiring for door speakers) and I must say it exceeded my expectations. If you're looking for pavement-pounding lows then you're looking at the wrong equipment anyway. Hits pretty hard and once tuned, goes good with EVERY kind of music. I listen to it all.
Pros:
Price first and foremost. Installation is a breeze, it requires no line-out adapters or anything, just tie it right into the factory speaker wiring, give it power and go. Sound for the size is GREAT.
Cons:
Haven't found any yet!
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5 out of 5

Good little Sub

Written By Science Guy, Alabama on Thursday, May 22, 2014
Crutchfield Customer Review (What's this?)
 
Great way to add some bass. Reasonably compact. It isn't going to rattle like a set of 12" subs in a big box with an amp but will provide good tight bass in a relatively compact space.
Pros:
Easy to install. Plenty of control to tweak your sound.
Cons:
None
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4 out of 5

Nice sub

Written By Lee, Hickory, NC on Monday, May 19, 2014
Crutchfield Customer Review (What's this?)
 
Nice sub for the price. Gave me what I wanted.
Pros:
Compact size. Remote control. Not overpowering.
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5 out of 5

Best bang for your $$!!!!

Written By aubarri, San Juan, PR on Monday, May 19, 2014
Crutchfield Customer Review (What's this?)
 
In my opinion, there is nothing better in the market, in that price range.
Pros:
Price, sound and size.
Cons:
None
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5 out of 5

Great sub for a novice installer and lover of bass

Written By Josh, Charlotte North Carolina on Monday, May 19, 2014
Crutchfield Customer Review (What's this?)
 
This is a great sub without even considering the size. Its excellent for a powered, small sub, and I'd even say its better than some bigger subs. Its definitely worth the money.
Pros:
Easy to install. Has a knob to adjust bass levels without having to go to the actual sub. It fits under and behind seats.
Cons:
Haven't found any yet. It suits all my needs.
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4 out of 5

adds some bass but crutchfield is out standing

Written By brady, marion on Wednesday, May 14, 2014
 
The speaker itself is very good for a little 8inch sub, the remote doesnt work for some reason, but im a 15 year old guy who knows nothing and I was having problems and crutchfields customer service is outstanding and saved me.
Pros:
Crutchfield, small
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2 out of 5

Not what I was hoping for....

Written By Big Earl, Curwensville, PA on Tuesday, May 13, 2014
Crutchfield Customer Review (What's this?)
 
Well, I was disappointed in this product. It delivers some bass, but it is not very clear and distorts rather quickly when you turn it up. I think the stock sub in my 2011 Grand Cherokee is far superior. Keep in mind I was not looking to shake my whole Jeep, but I wanted something with a little thump for when I have the top off. This definitely left me disappointed and wanting more. I ran a LOC of the back of the factory radio to use RCA cable for better sound. That didn't work out so good. I had a bazooka tube in and old jeep wrangler and it would blow this sound ordnance out of the water....
Pros:
Compact
Cons:
Not a very deep or clear bass
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5 out of 5

Great product for its size

Written By Jim, Boise, ID on Tuesday, May 13, 2014
Crutchfield Customer Review (What's this?)
 
If you are looking at this unit because it is relatively small and you lack room but want some bass, this is a perfect product. If you try to compare it to a standard subwoofer, you are an idiot and obviously cannot read other feedback left for the product. For the size and price, it is a fantastic unit that worked so well straight out of the box. Easy to mount (sounds like they have improved the options because I had no issues) and great sound for its compact size. Highly recommended. All cons are very minor. Installed in 1993 Ford Ranger XLT and it is perfect for that application. Couldn't ask for more.
Pros:
-Compact size, -Price, -Easy to mount, -Easy setup, -Clean looking when complete,
Cons:
-not meant to replace a full sized sub, -same argument about small terminals, -instructions very sparse, -should have plastic cover to protect terminals
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5 out of 5

love it

Written By Dave, Rapid City SD on Monday, May 12, 2014
Crutchfield Customer Review (What's this?)
 
The look on my teenagers face after I hooked on it up was priceless.. I was looking at adding some bass to my stock stereo on my 2013 F150, was looking for something that would fit under my seat(fits perfect). When I first opened the box and pulled it out my son said that's it..that little thing and kinda laughed.. but after the installation we put it to a good test with all kinds of music.. rap,rock,county and pop it performed flawlessly.. his jaw dropped and to be honest so did mine..it's not going to shake the neighbors windows but it filled in that low in that I was looking for..I highly recommend it
Pros:
Size, and sound, and thanks Crutchfield for the installation kit
Cons:
Nothing.. Love it
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5 out of 5

Nice Little Sub

Written By JeffS, Highland, NY on Sunday, May 11, 2014
Crutchfield Customer Review (What's this?)
 
I added this to my 2010 JK Sport 2 door. I put it under the passenger seat. It fills the void that I used to notice with my system. I have a stock radio but upgraded the sound bar and dash speakers with Kickers from Crutchfield. I also added Pioneer tweeters in place of the stock. I listen to mostly rock and classic rock and this unit is perfect. It has a good amount of punch and makes me feel the lows that were missing. A great value and addition. It is completely hidden as is the remote so everything retains the stock look.
Pros:
Compact, good punch, easy to install out of sight under my seat, value.
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4 out of 5

Sound Ordinance B-8PTD

Written By Jim, MS on Saturday, May 10, 2014
Crutchfield Customer Review (What's this?)
 
Won't shake the walls but compliments other smaller jeep wrangler speakers nicely.
Pros:
Ease of installation. Space efficient, fits nicely under rear seat in jeep wrangler.
1 out of 1 people found this helpful
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5 out of 5

You won't be disappointed !!!

Written By tinker man, Bellmore, NY on Friday, May 09, 2014
Crutchfield Customer Review (What's this?)
 
I have an 09 Wrangler unlimited with a KDC-X597 head unit . I used The low level inputs .The sub fit right in the cargo compartment on the deck behind the back seat . I have it with the speaker facing down (which seems to sound better than facing up ) It fits without any modding whatsoever , just wedge it in there?? Wires that come with the kit reach what they need to regarding the subs location. This little box really booms! Only when I have the volume above what normal humans my age can tolerate does it start to drop. Settings are easy to get to And remote knob is very convenient Works like a charm







Pros:
Small Fits anywhere Sounds great
Cons:
None yet
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5 out of 5

Exactly what i was looking for

Written By DavidW, Roy UT on Friday, May 09, 2014
Crutchfield Customer Review (What's this?)
 
this little box is a perfect fit in my 1990 ford ranger rounds out the sound and give a great kick i would recommend this to anyone looking to add depth to an existing system and very little space
Pros:
compact and easy to install great sound for size looks sleek if you have to make it visible
Cons:
none that i can think of
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5 out of 5

Great value

Written By Mark, Gilbert, AZ. on Friday, May 09, 2014
Crutchfield Customer Review (What's this?)
 
This is a GREAT sub for the money. Filled the void in my Nissan Titan.. VERY happy.. It is perfect for under the seat. Add a second for the perfect balanced sound. But one is sufficient.. It's not going to shake the windows like the kids like. But it really is a great addition for a daily driver.. HIGHLY recommend this one..
Pros:
Size, Simplicity, adjustments, sound volume
Cons:
Didn't find it sooner.
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5 out of 5

Solid Product

Written By Gil928, Kemah, TX on Tuesday, May 06, 2014
Crutchfield Customer Review (What's this?)
 
Was looking to upgrade my stock stereo in 02 Wrangler. Paired this unit with Alpine UTE52BT and matching set of polk front and rear speakers. Final result was a major upgrade over stock! Excellent results, especially for the