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Kicker  Single 8" Sealed CompC Subwoofer Bass Package for 2007-2018 Chevy Silverado Extended Cab New

GS-JCHV18B Black 8" Single Sealed Sub Box, Fits 2007-2018 Chevy Silverado Extended Cab + 50CWCS84 CompC Series 8" 400W Peak Power Handling 4 Ohms, Single Voice Coil Component Car Subwoofer

Item #99452

Condition:   Brand New

Product Highlights

  • GS-JCHV18B
  • Black 8" Single Sealed Sub Box
  • Fits 2007-2018 Chevy Silverado Extended Cab
  • 50CWCS84 CompC Series 8"
  • 400W Peak Power Handling
  • 4 Ohms
  • Single Voice Coil Component Car Subwoofer

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

$342.99

Reg. Price $569.99  Save $227.00
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  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

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Onlinecarstereo Exclusive Bundle

This exclusive package is brought to you by Onlinecarstereo. We have put together this bundle to kickstart your vehicle to the path of excellent car audio.

Ground Shaker GS-JCHV18B Black 8" Single Sealed Sub Box, Fits 2007-2018 Chevy Silverado Extended Cab + Kicker 50CWCS84 CompC Series 8" 400W Peak Power Handling 4 Ohms, Single Voice Coil Component Car Subwoofer


Authorized Dealer Stamp

We are an authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • GS-JCHV18B 8" Single Sealed Sub Box
  • • GS-JCHV18B Owner's Manual
  • • 50CWCS84 8" CompC Series Single Voice Coil Component Car Subwoofer
  • • 50CWCS84 Information sheet with QR code to owner's manual
  • • 50CWCS84 (2) Kicker decals
  • • 50CWCS84 Template on box lid
  • 50CWCS84 Owner's Manual
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Big Bass Without Giving Up Your Space

The Ground Shaker GS-JCHV18B is the perfect solution for truck owners who want serious bass without sacrificing valuable cabin space. Designed to fit neatly under the rear seat behind the driver’s side, this enclosure keeps your setup clean, hidden, and practical while still delivering the low-end punch your system deserves. Its down-firing design not only protects the subwoofer from daily wear and tear, but also helps produce deeper, tighter bass that fills the cabin with smooth low-frequency response.

Built Tough for Real Car Audio Performance

This enclosure is built from durable 5/8" high-quality MDF wood, giving it the strength and rigidity needed for cleaner, more accurate bass performance. With 0.68 ft³ of optimized air space, it’s tuned to help your subwoofer perform efficiently without sounding muddy or weak. The enclosure supports subs with a 7 1/8" cutout and up to 6" mounting depth, making it compatible with a wide range of popular subwoofers. Ground Shaker also uses premium Titebond wood glue and silicone sealing to keep the box air-tight and solid, even during heavy bass sessions.

 

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Kicker_KM
Compact Power – Perfect Fit Sub Box

Wrapped in a durable trunk liner carpet, the GS-JCHV18B looks right at home inside your truck while resisting scratches and wear from everyday use. The compact dimensions make installation simple, and the sturdy 22 lb build helps reduce unwanted vibrations for cleaner sound. A reliable binding post terminal provides secure wiring connections, making your install easier and more dependable. If you want strong bass in a stealthy, truck-friendly setup, this enclosure gets the job done without taking over your interior.

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Enhanced Bass Performance

Reengineered for increased excursion and deeper bass, the Kicker CompC features a single 4-ohms voice coil and an injection-molded polypropylene cone for powerful, low-end sound.

Superior Durability

Built with Forced-Air Cooling™, a ribbed polyurethane surround, and signature yellow surround stitching, this subwoofer ensures outstanding durability and long-lasting performance.

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Robust Construction

The subwoofer includes high-strength Spiralead tinsel leads, a stamped steel basket, a high temp voice coil, and spring-loaded speaker terminals for reliable, high-quality sound.


SPECIFICATIONS


  • Vehicle Make : Chevrolet
  • Vehicle Model : Silverado

FEATURES


GS-JCHV18B Black 8" Single Sealed Sub Box, Fits 2007-2018 Chevy Silverado Extended Cab

 

Features:

  • Vehicle-Specific Under Seat Design: Engineered to fit under the rear seat behind the driver’s side for a clean, space-saving bass solution.
  • Down-Firing Enclosure Configuration: Down-firing design helps protect the subwoofer while enhancing low-frequency performance and bass response.
  • Optimized Internal Air Volume: Features 0.68 ft³ of internal air space for balanced and efficient subwoofer performance.
  • Subwoofer Compatibility: Supports subwoofers with a 7 1/8" cutout diameter and up to 6" mounting depth.
  • Compact Truck-Friendly Dimensions: Designed with a low-profile structure measuring 9 1/2" front height, 7 1/2" rear height, 29 1/2" length, and 13 1/2" depth.
  • Heavy-Duty MDF Construction: Built from durable 5/8" high-quality MDF wood for enhanced enclosure rigidity and improved sound performance.
  • Premium Trunk Liner Finish: Wrapped in a durable carpeted trunk liner material for a clean appearance and added resistance to wear.
  • Air-Tight Sealed Design: Sealed with high-quality Titebond silicone to reduce air leaks and maintain accurate bass response.
  • Strong Wood Bonding: Constructed using premium Titebond wood glue for superior durability and long-lasting structural integrity.
  • Reliable Speaker Connection: Equipped with a binding post terminal for secure and dependable speaker wire connections.
  • Solid & Durable Build: Weighs 22 lbs., providing a sturdy enclosure platform that minimizes unwanted vibration.
  • Installation Note: Not compatible with 2007 Classic models.

 

Specifications:

  • Cutout Diameter: 7 1/8"
  • Air Volume: 0.68 ft³
  • Weight: 22 lbs.
  • Mounting Depth: 6"
  • Front Height: 9 1/2"
  • Rear Height: 7 1/2"
  • Length: 29 1/2"
  • Depth: 13 1/2"
  • Constructed with 5/8" high-quality MDF wood
  • Carpeted with durable trunk liner finish
  • Sealed with high-quality Titebond silicone
  • Glued with high-quality Titebond wood glue
  • 1 Binding Post Terminal
  • Fits under rear seat behind the driver’s side
  • Down-firing design
  • Will not fit 2007 Classic

 

 

50CWCS84 CompC Series 8" 400W Peak Power Handling 4 Ohms, Single Voice Coil Component Car Subwoofer

 

Features:

  • Single 4-Ohm Voice Coil: Reengineered for increased excursion and deeper bass.
  • Injection-Molded Polypropylene Cone: Lightweight and rigid for accurate sound.
  • Forced-Air Cooling: Keeps the sub running cooler and more reliable.
  • Ribbed Polyurethane Surround: Smooth cone movement with enhanced durability.
  • Signature Yellow Surround Stitching: Reinforced bond between cone and surround.
  • High-Strength Spiralead Tinsel Leads: Durable wiring for consistent performance.
  • Stamped Steel Basket: Provides a stable and strong frame.
  • High-Temperature Voice Coil: Handles more power without overheating.
  • Spring-Loaded Speaker Terminals: Quick and secure connection.

 

Specifications:

  • Woofer Size: 8" (20 cm)
  • Impedance: 4 Ohm (SVC)
  • Recommended Amplifier Power: 100–200 W RMS
  • Peak Power Handling: 400 W
  • Frequency Response: 30–500 Hz
  • Sensitivity: 83.3 dB (1 W / 1 m)
  • Fs: 42.2 Hz
  • Outer Frame Dimension: 8-9/16" (21.7 cm)
  • Mounting Depth: 4-3/16" (10.5 cm)
  • Mounting Cutout: 6-15/16" (17.7 cm)
  • Minimum: 0.5 cu. ft. (14.2 L)
  • Maximum: 1.2 cu. ft. (34 L)
  • Minimum: 0.66 cu. ft. (18.7 L)
  • Maximum: 1.2 cu. ft. (34 L)
  • UPC:
  • Weight: 29
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.

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