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JBL GTO6428 (GTO-6428)

4" x 6" Grand Touring Series 2-way Car Speakers

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Professional JBL Sound:

With the long history of professional audio equipment manufactured my JBL, it is no surprise that the Grand Touring Series (GTO) produce some of the finest sound available for car speakers. By integrating the majority of JBL's top car speaker technology, these speakers are able to effectively deliver truly stunning audio, while keeping the price affordable for everyone. For those that are looking for a quality car speaker that will not only sound great, but also keep more money in your pockets. Put your trust in JBL and these Grand Touring Series speakers.

  • 4" x 6" Grand Touring Series 2-way Car Speakers
  • Power Handling:
    • Peak: 240 watts per pair / 120 watts each
    • RMS: 80 watts per pair / 40 watts each
  • Plus One cone material
  • Mylar/titanium composite dome tweeters
  • Frequency response: 75-21,000 Hz
  • 2 ohms impedance
  • Sensitivity: 91 dB
  • Cutout dimensions: 3-1/2" x 5-7/8"
  • Top-mount depth: 2"
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Priced Per Pair

Product History:
JBL GTO6428 (GTO-6428) thumbnail
(newest, current model)
JBL GTO6427 thumbnail
(previous model, replaced by JBL GTO6428 (GTO-6428))
Speaker Specifications
Speaker Size4" x 6"
Design2-way
Tweeter DesignDome
Tweeter CompositionMylar/Titanium Hybrid
Woofer CompositionPlus One
Woofer SurroundN/A
Peak Power Handling120 watts
RMS Power Handling40 watts
Sensitivity91 dB
Frequency Response75 - 21,000 Hz
Impedance (Per Voice Coil)2 ohms
Shallow Mount InstallationYes
Top-Mount Depth2"
Bottom-Mount DepthN/A
Cutout Dimensions3-1/2" x 5-7/8" 
Speaker GrillesNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderManufacturer
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Speaker Wire
Upgrade your factory speaker wire to aftermarket speaker wire and hear the difference! Using thicker gauges, newer technology, and higher quality materials, aftermarket speaker wire is key to upgrading the sound in your car.
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20 ft. of 16 AWG KICKER X-Series Speaker Wire20 ft. of 16 AWG KICKER X-Series Speaker Wire
Get high quality sound from Kicker's twisted-pair, true to gauge speaker wire.
$19.99
50 ft. of 14 AWG StreetWires Speaker Cable50 ft. of 14 AWG StreetWires Speaker Cable
Streetwires Super Cable provides a zero-grip insulation for a smooth install as well as true gauge twisted wire construction.
$29.99
50 ft. of 16 Gauge Monster XLN Series Speaker Cable50 ft. of 16 Gauge Monster XLN Series Speaker Cable
Upgrade to clean and clear sound with Monster Cable's Xtra Low Noise (XLN) construction.
$35.00
Sound Dampening Material
Get optimal sound from your new speakers with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
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Dynamat Xtreme Speaker KitDynamat Xtreme Speaker Kit
Eliminates speaker panel distortion and reduces vibration, rattles, and squeaks!
$21.99
Dynamat Dynaxorb Speaker PakDynamat Dynaxorb Speaker Pak
Revolutionary damping material designed to prevent distortion caused by the back wave of a speaker interfering with the front wave.
$19.99
Dynamat Rubber RollerDynamat Rubber Roller
Install your Dynamat with ease! This heavy duty rubber roller is designed specifically to install your Dynamat products!
$18.99
Ballistic Speaker KitBallistic Speaker Kit
Eliminate speaker distortion, road noise, and rattles with this sound dampening material from Ballistic.
$15.99
Installation, Tools & Accessories
Get all of the tools and accessories to install your new speakers like a professional, or take your car to an expert and have them installed by redeeming professional installation cards.
 ProductPriceAdd?
Door Panel & Upholstery Remover ToolDoor Panel & Upholstery Remover Tool
The ideal tool for removing your car's door panels to replace you speakers!
$11.99
Universal Window Handle Remover ToolUniversal Window Handle Remover Tool
Designed to easily remove the manual window handles without breaking any interior pieces.
$4.99
Universal Wire Puller & GrabberUniversal Wire Puller & Grabber
Running wires has never been easier! This wire puller allows you to run wires through those hard to reach places!
$6.99
16-14 AWG Butt Connectors16-14 AWG Butt Connectors
These blue butt connectors are ideal when connecting thicker speaker wire your new aftermarket speakers!
$4.99
Tone Generators and Sound Testing Equipment
Optimize your new system's sound quality by testing and calibrating all of your components with these items.
 ProductPriceAdd?
AutoSound 2000 CD-101AutoSound 2000 CD-101
Low frequency test CD
$12.99
AutoSound 2000 CD-102AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99
Main Product
 ProductPriceAdd?
JBL GTO6428JBL GTO6428 (GTO-6428)$53.00

Product Summary

Manufacturer: JBL
Model number: GTO6428
UPC: 050036930376
Weight: 4.75 lbs
Internal SKU: gto6428
Internal product ID: 17733

Price Information

$119.95

–$66.95

$53.00

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Customer Testimonial

The sales rep. Armen was a life saver. Saw a problem with my amp and subs setup and found a great new setup for a great price. Thanks man!

- Joe from Portland, Maine

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