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JBL GTO508C

5-1/4" Grand Touring Series 2-Way Component Car Speakers System (GTO 508C, GTO-508C)

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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.

  • 5-1/4" Grand Touring Series 2-way Component Car Speakers System
  • Power Handling:
    • Peak: 330 watts per set / 165 watts each side
    • RMS: 110 watts per set / 55 watts each side
  • Plus One cone material
  • Mylar/titanium composite dome tweeters
  • Frequency response: 65-21,000 Hz
  • 2 ohms impedance
  • Sensitivity: 91 dB
  • Cutout dimensions: 4-3/4"
  • Top-mount depth: 2-1/4"
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Priced Per Complete Component System: 2 midwoofers, 2 tweeters and 2 crossover networks.

Product History:
JBL GTO508C thumbnail
(newest, current model)
JBL GTO507C thumbnail
(previous model, replaced by JBL GTO508C)
Speaker Specifications
Speaker Size5-1/4"
Design2-way Component System
Tweeter DesignDome
Tweeter CompositionMylar/Titanium Hybrid
Woofer CompositionPlus One
Woofer SurroundN/A
Peak Power Handling165 watts
RMS Power Handling55 watts
Sensitivity91 dB
Frequency Response65 - 21,000 Hz
Impedance (Per Voice Coil)2 ohms
Top-Mount Depth2-1/4"
Bottom-Mount DepthN/A
Cutout Dimensions4-3/4"
Speaker GrillesYes
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.
 ProductPriceAdd?
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
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.
 ProductPriceAdd?
NVX SDSK2 Speaker KitNVX SDSK2 Speaker Kit
Eliminates speaker panel distortion and reduces vibration, rattles, and squeaks!		$19.99
NVX SDRLR1 Sound Dampening Rubber RollerNVX SDRLR1 Sound Dampening Rubber Roller
Install your Sound Dampening with ease! This heavy duty rubber roller is designed specifically to install your NVX products!		$8.95
Speaker Baffles, Spacers, and Depth Extenders
Mount your speakers in the location that you need with these speaker spacers, extenders, and adapters.
 ProductPriceAdd?
Speaker Baffles for your SpeakersSpeaker Baffles for your Speakers
Enhance the sound of your speakers with these easy to install speaker baffles.		$9.99
3/4" Depth Extender for 5-1/4" Speakers3/4" Depth Extender for 5-1/4" Speakers
Add 3/4" of extra space when installing your speakers.		$8.99
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!		$8.99
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 GTO508CJBL GTO508C$199.95
Related products
JBL GTO508C + Sound Dampening
5.25" Grand Touring Series 2-way Component Car Speakers System • 165 Watts Max • 55 Watts RMS • 1" My-Ti Tweeters • Plus One Cone Material • Included Sound Dampening
$239.95
out of stock
More info

Product Summary

Manufacturer: JBL
Model number: GTO508C
UPC: 050036930390
Weight: 6.75 lbs
Internal SKU: gto508c
Internal product ID: 17737

Price Information

$229.95

–$30.00

$199.95

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Customer Testimonial

I highly recommend Sonic Electronix after purchasing a Sony car stereo with bluetooth for my wife's car. They included the correct wiring harness and install kit at an excellent price which made installation a breeze.

- Dave from CA

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