JBL GT-BassPro12

Ported powered subwoofer with 12" sub and 150-watt amp

Item #: 109GTPRO12

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JBL's GT-BassPro12 powered subwoofer adds a blast of bass to your vehicle so you can really feel your music's impact as you drive. JBL designed this bass system to shine in the car environment, tuning it for tight, responsive low notes.

Powerful bass from a 12" sub
The GT-BassPro12 enclosure features a JBL 12" sub that really brings the thunder with its polypropylene cone and hi-roll rubber surround. The built-in 150-watt amplifier is matched up perfectly to the sub, so it won't wimp out when it's time to rock. Use an amp wiring kit to power up the GT-BassPro12, and you've turned your car into a concert hall.

Unique port for compact design
The enclosure features JBL's unique Slipstream port, which offers shorter length with a wide-mouth opening that reduces port noise and distortion. This means that JBL can build a more compact enclosure, and still get great performance from this hard-hitting sub. The medium-density fiberboard construction offers strength and durability under extreme conditions, while the carpet covering and stylish metal grille help protect your investment.

Product Highlights:

  • powered 12" subwoofer enclosure
  • built-in 150 watt RMS amplifier (450 watts peak)
  • remote bass-level control included
  • variable low-pass crossover (40-200 Hz, 12 dB/octave)
  • frequency response: 35-120 Hz
  • fuse rating: 25A
  • 22-1/2"W x 14-5/8"H x 12"D1 x 9-1/8"D2
  • 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.

Hands-on research

What's in the box?

Download owner's manual

  • Amplified enclosure loaded with one 12" JBL subwoofer
  • Two 25 amp fuses (1 installed/1 extra)
  • 12" Speaker input harness
  • Wired remote level control
  • 16.5' Remote level control cable (RJ-25 plug on both ends)
  • Two 3/8" Self-tapping screws
  • Owner's manual (English/ German/ Spanish/ French/10 Other languages)

Features and Specs

Enclosure Type Ported
Finish Material Carpet
Grille Steel
Connector Type RCA/Harness
Bi-amp Inputs No
Woofer Size (inches) 12
Woofer Material Polypropylene
Passive Radiator ---
Width 22-1/2"
Height 14-5/8"
Depth 12"
Second Depth 9-1/8"
Parts Warranty 1 Year
Labor Warranty 1 Year
Frequency Response 35-120
Amplifier Power (RMS) 150 watts
Maximum Wattage 450 watts
Sensitivity N/A
Impedance N/A
Second Voice Coil Impedance ---
Crossover Point 40-200

Product Research


Amplifier: The power output from the built-in amplifier is 150 watts RMS (450 watts max). The amplifier is counter sunk into the back panel of the enclosure (the heat sink fins protrude approximately 3/8").

Note: Neither speaker wire, RCA interconnects, nor amplifier wiring kit (power/ground/turn-on wires) are included.

Signal Input: The amplifier has both speaker level (harness) and line level (RCA) inputs. The input sensitivity range is 50mV-4V for the line inputs and 400mV-16V for the speaker inputs.

Crossover: The amplifier's low pass crossover point is continuously variable from 40 to 200 Hz; the crossover slope is 12 dB/octave.

Bass Boost: The bass boost circuit provides a variable (0-12 dB) signal boost centered at 45 Hz.

Status LEDs: There are two status indicator LEDs on the amplifier. A green LED lights to indicate the amplifier is turned on and operating normally. A red LED lights to indicate the amplifier's protection circuitry has been activated. The protection circuit activates and the amplifier shuts down when the input voltage (power) is too high or too low, when the amp overheats, and when there is a short between the amp and subwoofer.


  • Width: 22-1/2"
  • Height: 14-5/8"
  • Depth (bottom): 12" (the grille adds approximately 2-1/8", for a total of 14-1/8")
  • Depth (top): 9-1/8"

Remote Level Control: The included remote level control lets you adjust the output level of the amplifier from the front of the vehicle. It can be mounted under the dash, in the glove compartment, etc, and has the following dimensions:

  • Width: 1.625" (2.55" including the mounting flanges)
  • Height: 0.775"
  • Depth: 1.525" (2.028" including the knob and cable)


  • Auto Turn-On: two position switch; on/off; when using the speaker level inputs the amplifier will turn on automatically when it senses an input signal
  • Phase: two position switch; 0° or 180°; the sub's phase can be easily inverted
  • Crossover Frequency: rotary knob; set the low pass crossover point; continuously variable from 40 Hz to 200 Hz
  • Bass Boost: rotary knob; continuously variable from 0 to +12 dB
  • Level: rotary knob; continuously variable from 50mV-4V (line level) or 400mV-16V (speaker level)


  • Remote Bass: RJ-25 jack for use with the included remote bass level control
  • Fuse: a single 25 amp ATO style fuse protects the amplifier
  • Line Input: stereo RCA jacks (female)
  • Speaker Input: 4-pin plug for use with the included harness
  • Power Input: screw terminals for power, ground, and remote turn-on; each will accept spade terminals up to 0.325" wide (approximate)

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.

JBL GT-BassPro12 Reviews

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Just Awesome

Written By JayJay, Detroit, MI on Wednesday, February 11, 2015

First off Crutchfield is awesome. I get all of my audio needs from them. As for the GT Basspro-12; This sub packs a punch. It has lasted through about 4 years and three different vehicles; 2 hatchbacks and one sedan. Even from the sedan trunk it was still more bass than necessary. The remote knob is great and I rarely had the knob above half. Easy install. Just make sure its tied down. Velcro worked pretty good and still kept it easy to remove. Recently installed a Vibe Fastplug with it to make removal and reinstall even easier for when you need the trunk space. Sadly could not find a similar quick connect product available in north america though.

Pros: Big deep sound you can not only hear but feel as well!

Cons: A bit bulky but can be easily removed if necessary

JBL GT-BassPro12

Written By Ryan, south Carolina on Thursday, February 05, 2015

Crutchfield Customer Review (What's this?)

Does what it is supposed to and more. Gives you the boom you've been looking for! This is a good deal and good product. The car stereo place around where I'm from even sells these bad boys.

Pros: Good price for JBL quality

Cons: None. I'm more than satisfied!

Easy install great bass

Written By Steve G, Harriman, TN on Sunday, December 28, 2014

Crutchfield Customer Review (What's this?)

I installed this in my wife's 2013 VW beetle and she couldn't be happier. The car has a really good sound system it just needed some punch. Boy did this do it! The remote control that I mounted under the dash gives her complete control as to the amount of bass she wants. The hardest part of the install was getting to the factory speakers and tap into the wires to give the built in amp some signal. The amp senses a signal from the speakers and automatically turns on then off when you stop playing music. It's awesome! Basically hook up power, ground, then tap into the factory speakers and your done!

Pros: Ease of install, no matching sub, box, and amp, great tech support, sounds great, control the amount of bass from the remote, speaker grill that keeps the groceries from damaging the speaker (wife threw that in) lol

Cons: Really the only thing I could think of would be the size, which I knew before ordering. But my wife says it's worth it!

everything work great,love it alot thanks

Written By philip s, Johnson City, TN on Friday, December 19, 2014

Crutchfield Customer Review (What's this?)

Love the sound and easy hook up


Written By Keenan, MA on Monday, November 17, 2014

Crutchfield Customer Review (What's this?)

So i bought this to replace a smaller powered sub that i had and it blew my other one away. It is awesome, easy to install, and good amount of bass for the cost.

Pros: lots of bass, controllable, good price

Cons: just a little bit bigger than what i thought it would have been but thats it.

Sounds so good..

Written By Matt, Nj on Sunday, November 16, 2014

Crutchfield Customer Review (What's this?)

Growing up when I first got my license I was all about being able to hear my system from a half a mile away... now being 31 i still cant live with a stock radio but dont need a rattle back car..i put this in my girls new Explorer and i have zero complaints.... does it make your eyes go blurry when the bass hits? No... but its clean loud bass.. and having the control knob is great... she listens to country, and I listen to a lot of hip hop so being able to control the amount of base is great...

Pros: Loud, clean, crisp bass... Amp built into box.. does take up much room...

Cons: Honestly cant think of any... I've only had it for a few weeks but I'm hoping to get years of use out of it... I guess the only thing I could think of is it doesn't come with a wiring kit so dont forget to order that. But not a big deal.. I personally went with the Rockford Fosgate

Great Value

Written By Duke, Meridian Idaho on Thursday, September 18, 2014

Crutchfield Customer Review (What's this?)

This unit sounds great and the best part the install was a cake walk!

Pros: Easy install

Cons: Free shipping ( just kidding)

Gt bass pro 12

Written By Anonymous, Marshalltown Iowa on Tuesday, September 02, 2014

Crutchfield Customer Review (What's this?)

I am very satisfied with this unit. Like a lot of the other reviews I read I will agree this is not a block shaking sub but it hits hard and finds those low notes your factory system won't. You might want to use sound damping in your trunk to keep the loose stuff from rattling. Install went very well I used an eight gage wiring kit and I hooked it up through the high input feeds off my rear deck speaker so no remote turn on I wasn't ready to pull my HU until I get my new one. It was very easy to install I'm not an aggressive driver so I dont plan on securing it down in the trunk it has enough weight to keep it in place. Very good looking box and you'll get its only a hundred fifty watts?? On a twelve ? If I had a million dollars...........

Pros: Easy to install hits hard and low great buy for the money or for a budget build

Cons: Control knob wouldn't fit or work with dummy plate I had to screw it on the dash as low as I could get it so the screw holes would never be seen unless by a mechanic led on knob is bright


Written By Anonymous, elko nv on Sunday, August 31, 2014

Crutchfield Customer Review (What's this?)

This package deal is everything I wanted and more. I have a 2 door car. I first replaced the stock 6x8 speakers with some mid grade 6x8's. I put two Infinity's in the rear and two JVC's in the front. I decided to add the JBL bass pro 12 package. I installed it in my trunk. I have the amp turned up 1/3 the way and it is a hard hitting, mirror rattling, sub/amp that goes perfectly with my system. I have a vanillaroma tree type air freshner hanging from my rear view mirror and it jumps and dances when the bass hits. I am very happy with this JBL set up. The remote gain control is an awsome addition to adjust the level through many different types of music.

Pros: A complete package that JBL engineers designed to go together perfectly. Remote gain control. No need to push the amp or sub even half way to get all the bass anyone could ever need.

Cons: A mesh grill would be a nice addition just to have a little more peace of mind when other things are in my trunk with the sub.

Great Sound

Written By E.N., New Alexandria Pa on Sunday, August 24, 2014

Crutchfield Customer Review (What's this?)

A+ Theres no need to say more!!!

Pros: great sound, easy to install

Cons: none

Great sub!

Written By Cole, Colorado on Monday, August 18, 2014

Crutchfield Customer Review (What's this?)

Great sub! Tons of bass! Easy install if you have a little experience with wiring.

Pros: Bass! design looks great! Inexpensive, remote bass control

Cons: It's a little bulky, can't think of anything else!

Great package sub!

Written By Daniel, Sylacauga, AL on Monday, July 21, 2014

Crutchfield Customer Review (What's this?)

Awesome bass though not overwhelming if you don't want it to be. Simple to install and with remote knob included EASY to control on the go.

Pros: Easy install, good price, easy to adjust

Cons: None!

Nice bass

Written By T Bone, Bismarck ,ND on Tuesday, June 24, 2014

Crutchfield Customer Review (What's this?)

This went in my sons car and he loves it. We installed a pioneer deck and 61/2"Polk audio speakers in front and 6x9's in the rear deck. The Polk audio speakers need to be woke up though. We will most likely install a Rockford Fosgate Punch amp and I'm sure that will do the trick. The dial we installed up front to turn the bass up and down works great as well.

Pros: Easy install, great bass.

Cons: N/A


Written By Vladimir, San Jose ca 882 state st. Cd 95110 on Saturday, June 07, 2014

It's a very good deal and u get the high quality sound very loud clear and with this one u can actually hear the ARTIST LAUDER THEN THE BOOS

Pros: 500

Cons: 500

Good sub

Written By Geo, Myrtle beach sc on Friday, May 16, 2014

Crutchfield Customer Review (What's this?)

Great product

Pros: Good value, good performance, great price

Cons: Nothing

Great powered sub for small spaces.

Written By Nick, Nor cal on Saturday, May 03, 2014

Crutchfield Customer Review (What's this?)

Great unit for small areas

Pros: Sounds good

Cons: None so far.

Great thumpe

Written By Rye, Horsham pa on Monday, March 31, 2014

Crutchfield Customer Review (What's this?)

It's a great compacted sub that is just enough to give the bass I need to enjoy my music.

Pros: Compact, amp built in, easy to install. Still gives me cargo room.

Cons: None


Written By Anonymous, APO, AP on Saturday, March 08, 2014

Crutchfield Customer Review (What's this?)

Great set-up! Easy to install. A great all in one package that takes the guesswork out for you. You can either join all the other people who are raving about this product or be disappointed with something else.

Pros: Easy install! Great combo which provides an overall extremely efficient product.

Cons: Bass control knob could be a little bigger. This does not detract from the overall quality of this product though.

Fills the Corolla with Bass Sounds

Written By Lindo, Minnesota on Tuesday, February 25, 2014

Crutchfield Customer Review (What's this?)

Upgraded entire system in a 2005 Toyota Corolla. Was advised that adding stronger tweeters and mid-range would overpower bass. Included this unit in the upgrade and love it. Mounted the remote level control within reach and can adjust "on the fly". This thing is easy to install, easy to operate and pounds the heck out of the little Corolla.

Pros: remote level control, remote turn-on through amp, overall sound

Cons: none yet

JBL GT-BassPro12

Written By Donald, Luverne, AL on Monday, February 24, 2014

Crutchfield Customer Review (What's this?)

This is a great product, love it!

Pros: Easy to install and enjoy!

Cons: None

JBL GT Bass pro 12 Jim G.

Written By Jim G., Katy TX on Friday, February 14, 2014

Crutchfield Customer Review (What's this?)

Wow what an Awesome combination of power and quality in a single package. Love the amplifier integration and look of the product.

Lots of power and rich deep bass, this package deserves the quality of the JBL name.

Extremely pleased with this product can't say enough about it.

Pros: Slim compact all-in-one design. Plenty of power and quality sound.

Cons: Wish I had room in my truck for 2. ;-)

Very happy with this sub

Written By RGS, NJ on Friday, January 24, 2014

Crutchfield Customer Review (What's this?)

Great powered subwoofer. Installed this in my sons vehicle and he loves it. Great bass tone. I recommend this subwoofer.Great bass at a good price.

Pros: Plenty of power

Cons: None

Great prodcut

Written By fishes305, San Diego, CA on Tuesday, January 14, 2014

Crutchfield Customer Review (What's this?)

This speaker and built in amp combo was exactly what I was looking for for my son's truck. Easy to install and provides more than enough boom to make him happy.

Pros: Easy installation. I like that I was able to by the amp and speaker alreay mounted in a box together.

Cons: non

Bass Pro 12

Written By Justin, Michigan on Friday, January 10, 2014

Crutchfield Customer Review (What's this?)

I recently installed this in my Civic and couldn't be happier. It's a great powered sub that thumps when you want it too. This thing gets loud and I only have the amp up half way. The control knob it comes with is really convenient. The reason I picked this was because I wanted a neat package that had some power, but some might consider it bulky if they have very limited trunk space. Overall, I like it a lot.

Pros: Solid performance, looks good

Cons: Size (depending on the car), might not be enough for super bass heads


Written By Frank M., Sutter Creek, CA on Monday, January 06, 2014

Crutchfield Customer Review (What's this?)

Been installing sub packages for years...I've heard just about every speaker configuration imaginable...you will not find a better sounding sub for the money. I was so impressed with the one in my work truck...I just bought another for my large trunk sedan. Stop shopping, trust, in this product, trust in Crutchfield.

Pros: Hits every frequency with impressive accuracy. Lots of tone control options including phase switch which proved essential for my large trunk. Nice looking

Cons: LED on remote gain a little bright been running my first for 12 months... haven't found any


Written By John F, Stratford CT on Friday, December 20, 2013

Crutchfield Customer Review (What's this?)

Very nice. Good looks , nice adjustments and remote is nice. Just enough Boom for me . Not over powering but it kicks.

Pros: JBL did good!

Cons: none

Jbl sub

Written By Anonymous, Staunton Virginia on Sunday, December 08, 2013

Crutchfield Customer Review (What's this?)

This is a great speaker amp combo.

Pros: Hits hard and works as expected.

Cons: None

Great sound for Killer price

Written By Jason, California on Saturday, August 24, 2013

After browsing around at a few different places, I went in to a stereo shop I normally go to and asked many questions since I know nothing about stereos. Previously I was told to go with a 10 But the guy showed me this and I had him test it for me so I could hear. Immediately I was like holy crap that sounds clean. You cant beat the price either considering its already in a box with an amp. Hard to beat at this price. Just had it installed in a toyota yaris hatchback and Im in love. still have plenty of space and it sounds incredible. Not to much thump, just perfect. And the bass knob is the best because different music styles use different bass so one may hit harder than the other so all it takes is that knob. would highly suggest this over other stuff.

Very Nice!

Written By HappyCamper, Forest grove Or on Monday, August 19, 2013

Crutchfield Customer Review (What's this?)

this is an awesome subwoofer. If you are looking for an easy set up this is for you.

Pros: Great sound quality

Cons: nope

Awesome buy!

Written By Van, lawton, ok on Tuesday, August 13, 2013

Crutchfield Customer Review (What's this?)

I decided to treat myself for my birthday; nothing too ridiculious but I wanted to able 'feel' the bass...For the size, power and clarity you just cannot beat this. The quality is obvious and the gain knob is pretty cool (It is a lot smaller than it looks). I have a Ford Explorer so it fills the car pretty well not being in the trunk.

Pros: Quality, built in amp, gain knob, extra controls.

Cons: None so far.

Outstanding for what what I wanted

Written By monsterp, CO on Thursday, July 04, 2013

Crutchfield Customer Review (What's this?)

I used to be a bass junkie, 15s, 12s, 10s, single 10, now this single 12. I've tried to shake it, but many vehicles and years later I still need my bass fix, but I don't care to shake windows from 6 blocks away anymore. I want a full sounding clean system with nice, hard hitting bass and deep thump to compliment the many genres of music I listen to (Hard Rock/EDM/Rap/HipHop/Country). I'm also limited on space due to this being in a F250 extended cab. This was perfect for me and I'm extremely glad I got it. This sub handles all of the different types of bass from the aforementioned genres, no problem. The bass knob is great as well.....but I got a pack of LightDims and put a dot over the LED, way too bright.

I previously had the 10" JL and although that is a great unit, after completing my system (100% thru Crutchfield, thanks all!) it just needed more bass. Gave this JBL a try and wow what a difference. Night and day! No, you will not rattle windows 6 blocks away, but you will be heard and this thing hits hard and thumps low. It really filled in my sound nicely and now it has the ability to over shadow my door speakers instead of the other way around. At only 50% gain, it's now balanced and still very loud. I'll put the JL 10 in my wife's SUV, so no loss there.

Pros: Hard hitting, thumps low, great looking, included bass knob with LED, amp is nicely flush with the back of the box.

Cons: Bass knob is tiny, have to use finger tips. LED on bass knob is too bright, order a pack of LightDims, problem solved.

Awesome sound

Written By Carlos, Sitka, AK on Sunday, June 02, 2013

Crutchfield Customer Review (What's this?)

After having a hard time trying to figure out the wiring configuration in my car, it was a breeze to put it in. Great sound and like the remote.

Pros: Great sound. Wired remote.

Cons: None as of now.

JBL GT-BassPro12

Written By Music Master DJ, Rochester, NY on Sunday, June 02, 2013

Crutchfield Customer Review (What's this?)

For a little box in Cranks.

Pros: Made well

Cons: none

Great Bass

Written By Keith M., Columbus, MS on Monday, May 27, 2013

Crutchfield Customer Review (What's this?)

Great sound, Great Price.

Pros: Easy install, remote control.

Cons: None noted yet.

JBL GT-BassPro12

Written By Nodorft, Houston, Tx on Thursday, May 02, 2013

Crutchfield Customer Review (What's this?)

Sounds amazing compared to FLI I replaced.

Pros: Easy install, sounds great and can be removed since I installed with quick disconnect plugs purchased separately.

Cons: None

JBL GT12 Pro

Written By Jesus, Puerto Rico on Monday, April 22, 2013

Muy fuerte

Very loud

Pros: Too good to be true

Cons: I need moré to my other cars

Crutchfield response on Monday, April 29, 2013 Translation provided by Crutchfield's Spanish Sales & Support team. Visit our new Spanish-language site at www.crutchfieldenespanol.com:


Written By Anonymous, New York, NY on Monday, February 11, 2013

Crutchfield Customer Review (What's this?)

Unbelievable bass out of this 12 inch sub. Love how it fills my nissan pathfinder with bass that I can feel. The remote bass control is a great added feature. Crutchfield continues to impress me with their products and fast shipping. Customer for life.....thanks crutchfield.

Pros: Great bass sound and cool remote bass control

Cons: None

JBL GT-BassPro12

Written By Anonymous, Wake Forest, NC on Thursday, February 07, 2013

Crutchfield Customer Review (What's this?)

Great product all in one. Installed in my 2010 Dodge Challenger. Fit my trunk perfectly with plenty of space left. The company is the best with shipping. Ordered on a Monday and I received the next day.

Big Box; Big Thump

Written By JamesA, Denver, CO on Thursday, December 27, 2012

Crutchfield Customer Review (What's this?)

Large box takes up a lot of space in my Toyota FJ Cruiser. I seem to operate the sub at less than 25% of it's power and typically less than 10%, so this unit may be overkill for me.

Pros: Easy install; hard hitting base.

Cons: Large box takes up lots of space.

Holy crap. Buy this and stop browsing around now!

Written By Badger G, Clovis, NM on Monday, December 17, 2012

You see the power and specs on this and say, "That's not alot at all! This can't be that great." Then you install it. There is no reason for something so simple to be this loud and clean. This thing pounds harder than my previous system which ran more than double this setup. Everything is pretty much included and it looks great. I dare you to find a system for this price that even somewhat compares with this sound and quality. It's not competition stuff but you will need Dynamatt, It is shaking everything in my G35 right now without even being turned up loud. You are in for one heck of an experience.

I'm using an 8 gauge wiring kit, and a 35 dollar 2 Farad Capacitor. No power drain/headlight flickering whatsoever. The amp doesn't even get close to hot. JBL perfection as usual.

Pros: Minimal power requirements, loud and clean, clean setup, all-in-one subwoofer system

Cons: You will need some Dynamatt once your car starts to loosen up from the beating its in for.

Blown away

Written By RickS, Louisville, KY on Saturday, December 15, 2012

Crutchfield Customer Review (What's this?)

I was going to go with a Bazooka 6.5" powered sub and decided to get some advice from Crutchfield. When I talked to an advisor, he recommended not to go with the Bazooka for an installation in the trunk. Instead, he recommended this sub and I am so glad I listened! The amount of bass this unit puts out is quite amazing. It hits hard but more than that the bass is tight and crisp. I have listened to anything from rock to raggae to rap and all sound amazing. The remote level control is awesome so that you can adjust the bass level depending on what type of music you are listened to. Installation was very easy and I couldn't be happier with this purchase. Thanks Crutchfield!!!

Pros: Great bass, fast and easy install, looks great, remote is great

Cons: None

Great sub for the cost!

Written By Anonymous, New York on Sunday, December 02, 2012

Crutchfield Customer Review (What's this?)

Installed this in my 2012 Subaru Outback. I was going to get the Sound OrdnanceT B-8PT but Im glad I bought this. Definatly has a thump to it. Great size to fit in the hatchback with room to spare. Purchased the wiring kit as well. With the help of the Crutchfield advisors I didnt have to purchase any extra wiring.

Pros: Very happy it came with a remote. Dont have to go to the back of the car to adjust the bass

Cons: Non so far. Put a carpet non slip pad under it, will see how it holds up on moving around.

Awesome Sub, Sounds amazing for a great price

Written By Willpower2, Wilmington, NC on Wednesday, November 28, 2012

Crutchfield Customer Review (What's this?)

This is the first sub woofer that I have purchased and it sounds great. Crutchfield's great customer service made ordering easy, and it was shipped a few hours after I placed the order. The free shipping was also a plus. Overall, the sub sounds great, and having the amp already in the box made installation a breeze. I'd definitely recommend it and this is coming from a cautious "first-time buyer".

Pros: Great sound, easy installation

Really surprsed

Written By D Darko, Atlanta, GA on Saturday, August 18, 2012

Crutchfield Customer Review (What's this?)

My son and I intalled this sub in his 2001 Nissan Altima. The instal went very smoothly after we found somewhere to pass the power wire through the firewall. We cranked this up and plugged in the Ipod and we were amazed at the amount of bass this box produced. We lisened to everything from Metallica to Dubstep to Skrillex to rap and the amp kept up with no problem. This thing shook the rearview mirror easily and sounded excellent. It wasn't muddy or overly boomy. We played several bass tracks and test tones and it will play down to 40Hz and stll pound out bass. the only problem is we'll now have to amp the other speakers in the car to keep up with the bass output. As it is now we only have the level set to about 40%. After about an hour of listening and adjusting it I was surprised that the amp wasn't a lot hotter than it was. I could comfortably put my hand on it.

I reasearched this box for a few weeks before buying it and I looked at several others. This was perfect for what we needed. If you're on the fence about this sub I say just get it. I went to best buy and a local audio dealer and none of the other single subs i listened to came close to this sub for sound quality or volume. It exceeded all my expectations and I will be putting one in my Camry in the next few weeks.

Pros: Great bass. Great price. Easy to install.

Cons: None


Written By Jay, CA on Wednesday, July 04, 2012

After reading the great reviews of the The Sound Ordnance B-8PT I wanted a subwoofer setup that didn't take up too much space to install in the cargo area of my Xterra. The Sound Ordnance B-8PT fit the bill on size but not bass. Don't get me wrong, location is everything and if you have a space under a seat or a trunk this product may be for you but in the cargo area of an SUV, on the freeway with the windows down it just gets drowned out. Crutchfield excellent as always allowed me to return it and I purchased the JBL GT-Bass Pro12. No comparison. You will definitely sacrifice some space but the enjoyment that you receive from the music will make you feel good to listen to your jams while cruising or speeding up the freeway without a lack of quality. The JBL GT-Bass Pro12 is easy to set up and with the remote at your fingertips you can always adjust how loud you want it to go. I haven't turned it all the way up and at mid way reggae, rap and rock vibrate the seat and rear view mirror. I'm very satisfied with the switch and the BASS.

Pros: crisp clear BASS !!!

Cons: the same as the other reviewers mentioned.

Amazing for the price!

Written By Jon, Virginia on Wednesday, May 16, 2012

I just put this sub in my car a few days ago, and I'm loving it!. I would strongly recomend this to anyone looking for a subwoofer on a budget. I love that it has an amp already in it, cause that can cost you alot in itself, and then you still have to buy the sub on top of that! And don't think cause of the low price that its gonna come out weak in sound. It hits hard, and you can definitely feel it pound through the car if you want it to. It's also extremely easy to hook up, which is nice. Also to anyone that see's on here that its max power is 150, thats in RMS not Watts. Its really 450 watts. For $250 this is an amazing subwoofer!

Pros: Easy to install, pounds hard, convenient bass level control that you can mount up front on the dash, and clear sound.

Cons: None

Just what I needed!

Written By DaveS, San Anselmo, CA on Tuesday, March 27, 2012

Crutchfield Customer Review (What's this?)

This is the first sub I've ever put in a car. I still need to do some fine tuning, but I'm absolutely loving what's it's done for the sound in my car. I primarily listen to rock, country, and roots music and I feel like I'm at a concert now with deep bass that you can really feel. I put in in the back of an 07 Ford Escape and it has plenty of juice to fill the space. It can really pound if you want it too. I keep having to turn it down. It's really helped my door speakers put out clearer mids too since I can run my head unit Bass EQ at 0 instead of +3. I can't comment on the ease of install since I wimped out and had a car stereo place do it for me. The "bottom" line is this JBL is exactly what I was missing. I get really excited about listening to music in the car now. The remote level control is essential and also has a handy power light on it, so you have the peace of mind knowing that it really turned off when you turn off the car and is not draining your battery.

Pros: Plenty of power for the average listener. Deep, fairly tight bass. Not too boomy.

Cons: Certain bass frequencies seem to resonate more than others, but that might just be the nature of my car's interior.

JBL GT-BassPro12

Written By LP, Florida on Tuesday, January 31, 2012

Crutchfield Customer Review (What's this?)

Purchased a Sound OrdnanceT B-8P. Sounded great, but wanted something with some more juice and did not reach the limit as the volume increased on factory radio. There is no comparison. JBL GT-BassPro12 is amazing. I used the high level inputs, make sure you tap into both the left and right speakers to create a full signal. Sound is very tight and bass is accurate. This is the sub/amp combo if you want to do things right and have strong, accurate bass at high levels.

Pros: Quality of box (heavy), tight and accurate bass, connection options, loud

Cons: You have to flip the box over to connect the power, ground and remote turn on wires

JBL GT-BassPro12

Written By sldghmr, MD on Monday, January 30, 2012

Crutchfield Customer Review (What's this?)

This box rocks! Hits nice and deep, perfect for small car. Easy to install.

Pros: Great sound. Thunderous bass for smaller cars. Easy install.

Cons: Needs to be mounted, or held down some kind of way....

the perfect sound

Written By sllim_shady, new yourk, ny on Sunday, January 22, 2012

Crutchfield Customer Review (What's this?)

i first purchased the infinity bass link for my car, it ended up having soe wiring malfunction shortly after using it, so i uprgraded to this sub. this sub isnt even comparable to the infinity. the sound clarity, volume, and sound levels the syb puts out are so much better! crutchfield advisors recommended this sub, and my entire car setup, and i am now in a wonderfully pounding, and clear car system. worth every penny and more to purchase this sub.

Pros: clear crisp sound, ported, easy to install, no extra wiring to connect the amp, great quality.

Cons: no brackets built in (easy fix, just use a few angle brackets to keep it in place).

Get everything you’ll need to enjoy your new JBL GT-BassPro12

Wiring not included with the sub. Kits make it easier and less expensive to install your new powered subwoofer.
Dynamat helps reduce ambient road noise and your vehicle's "rattles," making it easier for you to hear your music better. Easy to install.
It's critical to have good wire, and none is included with the sub.
Get more info about having your new sub put in by a qualified professional in your area.
If you are using the pre amp inputs on this powered sub, better quality cables will improve the sound.
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Rockford Fosgate RFK10

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EFX PA10BX Wiring Kit

EFX PA10BX Wiring Kit

10-gauge amplifier wiring kit — includes 2-channel patch cable

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Triple package — 3 sheets, 12 square feet (Model #10612)

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Dynamat 19100

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Dynamat Dynaliner

Dynamat Dynaliner

One 54" x 32" sheet (1/8" thick)

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T-Spec 16-gauge Speaker Wire

T-Spec 16-gauge Speaker Wire

Black/white jacket — priced per foot

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T-Spec 12-gauge Speaker Wire

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T-Spec 2-Channel RCA Patch Cables

T-Spec 2-Channel RCA Patch Cables

Available in 7 different lengths (20-foot)

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EFX 17-foot RCA Patch Cable

EFX 17-foot RCA Patch Cable

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EFX 2-Channel RCA Patch Cables

EFX 2-Channel RCA Patch Cables

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EFX 2-Channel RCA Patch Cables

Core Series Twisted RCA patch cables — available in 5 different lengths (12-foot)

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