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JBL GT5-12D

275W 12" GT Series Dual 4 ohm Subwoofer

JBL
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• 1100W Peak
• 275W RMS
• Polypropylene Woofer
• Hi-Roll Rubber Surround
• Progressive Spider
• Fully Vented Motor Structure
• Rubber-Coated Tinsel Leads

Learn more about the gt512d

We apologize

This item has been discontinued


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Product Highlights


• 1100W Peak
• 275W RMS
• Polypropylene Woofer
• Hi-Roll Rubber Surround
• Progressive Spider
• Fully Vented Motor Structure
• Rubber-Coated Tinsel Leads

Description


JBL brand icon

Authorized dealer

Big Bass

For anyone who likes to crank it up in the car, the new JBL 12" high-output GT5-12D subwoofer is the real deal. The JBL GT5-12D subwoofer features a Dual 4-ohm voice coil and a vented motor structure, and offers 1100 watts of peak power handling. The GT5-12D also features JBL’s newest design, combining classic elements with modern ones.

All-New Design

The GT5-12D follows the design of the more-expensive JBL subwoofers, combining classic elements with modern ones.


Significant Power Handling Capabilities

The GT5-12D handles 275W/1100W (RMS/Peak) power and offers nearly 20 percent higher Xmax than many competitors.


Increased Reliability

With its fully vented motor structure and rubber-coated tinsel leads, the GT5-12D is able to withstand even the most intense bass assault.


Dual-Stacked, Oversized Magnets

Unlike competing entry-level subwoofers, the GT5-12D is based on a solid motor structure featuring two large magnets covered by the classic JBL rubber ring.




The Sound of quality

Sonic Electronix, one of the leaders in car audio, recently visited Harman, the premium global audio and infotainment group, at their research and development locations in Northridge, California and Detroit, Michigan. The purpose of these visits was to utilize and combine the powerful brand of Harman and the industry leading knowledge behind Sonic Electronix to begin working together on developing future car audio projects.


General Features:

  • 12" Dual 4 Ohm GT5 Series Subwoofer
  • Power Handling:
    • Peak: 1100 watts
    • RMS: 275 watts
  • Impedance: 4 Ohm
  • Polypropylene woofer cone material
  • Hi-roll rubber surround
  • Progressive spider
  • Fully vented motor structure for smoother response
  • Rubber-coated tinsel leads help to protect the leads against wear and harsh use
  • Double stacked magnets covered in a classic black rubber ring
  • Frequency response: 27-450 Hz
  • Sensitivity: 90 dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 JBL GT5-12D Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 JBL GT5-12D Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 JBL GT5-12D Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 JBL GT5-12D Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


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Specifications & Details


Subwoofer Specifications
Series
GT5 Series
Subwoofer Size
12"
Peak Power Handling
1100 watts
RMS Power Handling
275 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Frequency Response
27 - 450 Hz
Sensitivity
90 dB
Xmax (millimeters)
14.2 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Silver
Woofer Composition
Polypropylene
Woofer Surround
Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Bandpass
Ported / Vented
Sealed
Minimum Sealed Box Volume
1.00 cubic feet
Maximum Sealed Box Volume
1.00 cubic feet
Minimum Ported Box Volume
1.75 cubic feet
Maximum Ported Box Volume
1.75 cubic feet
Top-Mount Depth (Mounting Depth)
6-7/16"
Cutout Diameter
11-1/4"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

JBL

Model Number:

GT5-12D

Weight:

15.50lbs

Internal SKU:

gt512d

Internal Product ID:

21392

Product and How-to Videos


  • Harman International: The Pursuit of Great Sound
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews


JBL GT5-12D thumbnail image

5 star
83%
4 star
8%
3 star
8%
2 star
0%
1 star
0%



Durability
4.6
Value
4.9
Features
4.4
Design
4.6
Usability
4.8

Customer Reviews

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Good Sub, Bad set-up

This is an awesome sub, it has great sound and for a 1100 watt sub it hits hard, the downside to it is that after a while of it being up loud, the plastic part in the middle, with the JBL logo on it comes loose and makes it sound bad because it vibrates and causes a high pitched rattling sound.

By JLWeber on March 14, 2011

27 found this helpful


Bargain

This woofer is awesome for the price i paid...less than $60...here at Sonic...it sound fabulous in a 1.75 port box...but it will only hold around 400-450 watts RMS....after that the voice coil starts heating up and stinking.

By Jeff on April 1, 2015

24 found this helpful


Great Buy LOVE JBL's!!

I bought a 2004 gmc yukon and i wanted to premium sound into it. so I decided to go with JBL's because they are a popular brand sound for good quality sound. These subs did not let me down. Especially for the price!. I do not regret getting them. I highly recommend them to anybody. And i still havent broke these in yet. Just put them in today. Especially if your starting off you will not be let down. Guarantee!!! If you want true power you can like i did which was bridge them at 2ohms so i was pushing 550RMS with both subs. sounds amazing!!. I powered them using a 1200watt 2channel 580 rms AMP baught a refurbished amp. Used 4 Guage 2500 watt kit. If you do a clean good install and tune the amp right. You will not be disappointed. 5 STARS!

By Cameron on May 19, 2013

23 found this helpful


great Value

really excellent sound and good price for this JBL

By Francisco on November 16, 2010

22 found this helpful


great subs

I have two of these in my Ford Focus and they are amazing! I would recommend these to anyone who wants great bass and great quality with low cost. I have them hooked up to a 2 channel 2500 watt Boss amp and I have had no problems in the past year and I turn them up everyday. definitely a great buy and I will buy them again if im doing another system

By tk on January 14, 2011

21 found this helpful


Awesome sub

Great sub, I'd definitely recommend to anyone looking for a good sub at a good price.

Pro- deep lows, hits hard

By Fred on February 27, 2011

20 found this helpful


Great product

The subwoofer is just amazing. The bass is incredible, it shakes my car running at only 250 watts RMS.

By Anthony on September 24, 2010

21 found this helpful


Great woofer

I bought this at Sonic for less then $60....my amp was too much for it(smelling coils getting too hot)....it sounded great though...i wouldn't go over 400 rms on this woofer...but it will pound at 400!!!

By Jeff on April 5, 2015

19 found this helpful


Great sub

i have two in a ported bass works box, and they hit hard in an extra cab ranger. I am running them off a 1200 rms amp, but the gain, and bass levels are turned low. exellant durability

By coors on April 10, 2012

18 found this helpful


jbl gt5-12D

Can't go wrong with this dual voice coil jbl handles power just fine and has perfect frequency response would recommend to any car enthusiast

By bryan on November 17, 2014

16 found this helpful




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Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.