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JVC CS-HX748 + Sound Dampening

6-3/4" 4-Way HX Series Coaxial Speakers with Two 10" x 10" Pieces of Sound Dampening Material

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Why Sound Dampening?

The JVC CS-HX748 speakers along with the Cache CSM Sound Dampening is a great package that can help improve the sound quality from the speakers as well as overall output. Not only will the Dampening benefit your speakers, but you can also benefit your entire vehicle and it's overall road noise isolation. Adding Sound Dampening can help make your car quieter and more comfortable while improving the sound quality.

Speaker Features:
  • 6-3/4" (oversized 6-1/2") 4-Way HX Series Car Speakers
  • Power Handling:
    • Peak: 620 watts per pair / 310 watts each
    • RMS: 100 watts per pair / 50 watts each
  • Mica aramid fiber with carbon fiber composite olefin cone woofer
  • Twin roll rubber surround
  • 1-31/32 (5 cm) midrange tweeter with HHC cone and neodymium magnet
  • 19/32" (1.5 cm) tweeter
  • 1/2" (1.2 cm) supertweeter
  • Large magnets handle greater power for lower frequency response
  • Twin rubber edge enhances sound quality and response with smooth and linear movement
  • Mica reinforced cone provides strength and stability for deeper bass response
  • Large cone and basket is an over-sized 6-3/4" speaker
  • 4 ohms impedance
  • Frequency response: 30-25,000 Hz
  • Sensitivity: 86 dB
  • Crossover Frequency: 4, 8, 12 kHz
  • Heat-resistant voice coil
  • 11.7 oz strontium magnet
  • Top-mount depth: 2-1/2" (63 mm)
  • Includes speaker grilles
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty
Sound Dampening Features:
  • Two 10" x 10" Pieces of Dead Shield Sound Dampening Material
  • Eliminates Road Noise
  • Quiets Vibrations
  • Stops Rattles
  • Increases SPL
  • Reduces Heat
  • Simple To Install
  • Easy To Form Aluminum
  • Four step peel and stick installation
  • Increases sound quality and output
  • Up to 30% thicker than the leading competitors
  • Dimensions (each piece): 10"L x 10"W

Speakers Priced Per Pair

Speaker Specifications
Speaker Size6-3/4" (Oversized 6-1/2")
Design4-way
Tweeter DesignDome
Tweeter CompositionPEI (Polyetherimide)
Woofer CompositionAramid-Carbon Fiber Olefine
Woofer SurroundRubber
Peak Power Handling310 watts
RMS Power Handling50 watts
Sensitivity86 dB
Frequency Response30 - 25,000 Hz
Impedance (Per Voice Coil)4 ohms
Shallow Mount InstallationNo
Top-Mount Depth2-2/12"
Bottom-Mount DepthN/A
Cutout DimensionsN/A
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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20 ft. of 16 AWG KICKER X-Series Speaker Wire20 ft. of 16 AWG KICKER X-Series Speaker Wire
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NVX SDSK2 Speaker KitNVX SDSK2 Speaker Kit
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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!
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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.
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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
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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!
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Tone Generators and Sound Testing Equipment
Optimize your new system's sound quality by testing and calibrating all of your components with these items.
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AutoSound 2000 CD-101AutoSound 2000 CD-101
Low frequency test CD
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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.
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Related products
JVC CS-HX748
6.75" (oversized 6.5") 4-Way Coaxial Speakers • JVC HX Series • 310 Watts Max • 50 Watts RMS • Carbon Fiber Composite Olefin Cone Woofer • 4 Ohms • 86 dB Sensitivity • Heat-Resistant Voice Coil • Includes Speaker Grilles
Cache CSM
Eliminates Road Noise • Quiets Vibrations • Stops Rattles • Increases SPL • Reduces Heat • Simple To Install • Easy To Form Aluminum • Four Step Peel and Stick Installation • Two 10" x 10" Pieces

Product Summary

Manufacturer: JVC
Model number: CS-HX748_CSM
Weight: 8.48 lbs
Internal SKU: cshx748_csm
Internal product ID: 37409
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Customer Testimonial

Product arrived within the time frame mentioned, and product is what they said it was. It also showed up in perfect condition. Very satisfied with Sonic.

- Paula V. from Broadmoore, CA

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