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JBL C508GTi

GTi Series 5-1/4" 2-way Component Speakers System

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The product on this page is discontinued.

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  • 5-1/4" Professional-Grade Component Speaker System
  • Power Handling:
    • 125 watts RMS
    • 500 watts Peak
  • 4 ohm Impedance
  • Frequency Response: 58Hz - 21kHz
  • Rubber tweeter surround for low resonance
  • Sensitivity: 88dB
  • 1-year SonicElectronix.com warranty

Priced Per Complete Component System: 2 midwoofers, 2 crossovers and 2 tweeters

Product History:
JBL C508GTi-mkII thumbnail
(newest, current model)
JBL C508GTi thumbnail
(previous model, replaced by JBL C508GTi-mkII)
Speaker Specifications
Speaker Size5- 1/4"
Design2-way
Tweeter DesignDome
Tweeter CompositionTitanium
Woofer CompositionAnodized Aluminum
Woofer SurroundNBR Rubber
Peak Power Handling500 watts
RMS Power Handling125 watts
Sensitivity88 dB
Frequency Response58 - 21000 Hz
Impedance (Per Voice Coil)4 ohms
Top-Mount Depth2- 3/8"
Bottom-Mount DepthN/A
Cutout DimensionsN/A
Warranty and Return Policy
Return Policy Standard Return Policy
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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
50 ft. of Monster Cable 402 XLN+ Speaker Cable50 ft. of Monster Cable 402 XLN+ Speaker Cable
Experience the ultimate in Monster sound with the 402 XLN+ XTREME speaker cable.		$76.00
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.
 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
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

Product Summary

Manufacturer: JBL
Model number: C508GTi
Weight: 11.00 lbs
Internal SKU: c508gti
Internal product ID: 7964

Why Sonic Electronix?

Musical Mayhem Sweepstakes sponsored by MTX Audio. 3 winners, $2,300 in prizes!

Customer Testimonial

I was looking for a stereo to install in my Arctic Cat Prowler. SonicElectronix has once again provided me with the perfect solution.....a stereo with all of the functionality I wanted at a fantastic price and fast shipping. Thanks!

- cnj from Corona, Ca.

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