The GTO series provides a completely new musical experience in your car

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Upgraded speakers engineered to enhance today’s car audio systems.

The JBL® GTO Series high-fidelity automotive speakers feature innovative technologies that we’ve engineered for the environment and for the conditions in today’s cars to help them deliver exceptional sound. Using carbon-injected Plus One® (U.S. patent no. 7,548,631) woofer cones, fiberglass-reinforced plastic (FRP) frames, butyl-rubber surrounds and fabric tweeter diaphragms, the GTO Series’ automotive speakers are the ideal upgrade to any car’s audio system. GTO Series speakers, including component separates with woofer, tweeter and passive crossover, cover the most popular factory-replacement and aftermarket sizes. Other unique features – such as UniPivot™ (U.S. patent no. 6,002,780) tweeter positioning and tweeter level controls on select coaxial models, and the I-Mount™ (U.S. patent no. 5,859,917) system for the tweeters in the component separates – provide even greater installation flexibility so you can more easily achieve the ultimate in-vehicle sound experience. Easily installed and built to last, the JBL GTO Series speakers bring music to life in your car.

Item# GTO429_

General Specifications

Type Three-Way
Size 4"; (100mm)

Audio Specifications

Power Handling (Peak) 105W
Power Handling (RMS) 5W-50W
Nominal Impedance 3 ohms
Frequency Response 75Hz-21kHz
Sensitivity (2.83V/1m) 92dB


Mounting Cutout Diameter (mm) 94
Mounting Depth (mm) 48
Mounting Cutout Diameter (in) 3-3/4
Mounting Depth (in) 1-15/16
External Diameter (mm) 100
External Diameter (in) 3-15/16
Click here for a complete list of all specs for this product

Spec Sheet (EN)

English 874 KB

Spec Sheet (EN)

English 828 KB
  • 2 GTO 429 speakers
  • Owner’s/installation manual

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1 Year Warranty

Note: the Warranty Card provided with your JBL product contains the full terms and conditions of your warranty.

Unless a different warranty period is stated in the Warranty Card provided with your JBL product, JBL warrants for a period of 1 year (5 years for any non-powered speakers) from the date of retail purchase by the original end-use purchaser, that this product, when delivered to you in new condition, in original packaging, from a JBL authorized reseller and used in normal conditions, is free from any defects in manufacturing, materials and workmanship. Refer to the Warranty Card provided with your JBL product for specific details including what is not covered along with other terms and conditions.

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Can it fit on BMW 320 M Sport

Asked by: Dixon3388
Hi. Sorry, we do not have lists of which speakers fit into which cars. The best solution is to measure the aperture in the car, then compare to the dimensions given in the owner's manual for the speaker series, usually available for download on the JBL web page.
Answered by: Bo Harman
Date published: 2017-12-02

Hi, please what is the total diameter of the grille? AppreciTe your reply, thank you.

Asked by: Eriken
Hi Thank you for your questions. The outer diameter of the grille of the GTO429 is 128 mm. Have a nice day.
Answered by: Mogens
Date published: 2017-12-15

Is this a Midrange speaker for 3 way setup ?

Asked by: Shakeen
Yes. It is considered a midrange speaker that can get as low as 75hz, and as high as 21khz which is pretty good for a 4 inch coaxial speaker.
Answered by: Joe G at Customer Service
Date published: 2017-12-02

Hello, it says these are 3way in the description but everywhere else implies they are 2way? Can you please confirm.

Asked by: Cornetto
Hello! Thank you for your message. The GTO 429 are two way.
Answered by: Marius S
Date published: 2017-12-02

Will these fit my 2005 Subaru Impreza rs? Looking to fit front and rear

Asked by: Jake456727
Yes, it would as it shows on the "Does it fit my car" section with your 2005 Subaru Impreza
Answered by: Ren at Customer Service
Date published: 2018-01-12

the 1 15/16 depth , does that include the grill

Asked by: wwsp
No. The mounting depth is only measured from the bottom of the grille down to the magnet below.
Answered by: Miko at Customer Service
Date published: 2017-12-02

does this speaker fit in a 2011 chevy malibu? also is it louder and better then the stock speakers

Asked by: agiovannielli
Unfortunately, the GTO429 will not fit your car without modifications.
Answered by: Joe G at Customer Service
Date published: 2017-12-02

these are 3 ohm on a stock radio will this draw to much and over heat the stock amp perhaps???

Asked by: toploader78
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