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PCH Custom Audio  2019-2026 Chevy Silverado Double & Crew Cab NA-8F-D4 Bass Package New

GS-FLCHVP48B 8" Quad Ported Sub Box for 2019-2026 Chevy Silverado Double & Crew-Cab (Black) + (4) NA-8F-D4 Fierce Series 8" 800W Peak Power Handling 4 Ohm, Dual Voice Coil Component Car Subwoofer

Item #99437

Condition:   Brand New

Product Highlights

  • GS-FLCHVP48B
  • 8" Quad Ported Sub Box
  • 2019-2026 Chevy Silverado Double & Crew-Cab
  • Black
  • (4) NA-8F-D4 Fierce Series 8"
  • 800W Peak Power Handling (Each)
  • 4 Ohm
  • Dual Voice Coil Component Car Subwoofers

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

$919.95

Reg. Price $1,319.96  Save $400.01
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
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-FLCHVP48B 8" Quad Ported Sub Box for 2019-2026 Chevy Silverado Double & Crew-Cab (Black) + (4) Nemesis Audio NA-8F-D4 Fierce Series 8" 800W Peak Power Handling 4 Ohm, Dual Voice Coil Component Car Subwoofer


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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-FLCHVP48B 8" Quad Ported Sub Box
  • • GS-FLCHVP48B Owner's Manual
  • • NA-8F-D4 8" Component Car Subwoofer
  • NA-8F-D4 Owner's Manual
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Powerful 8" Quad Ported Sub Box

Designed for serious bass, this 8" quad-ported sub box delivers deep, resonant low-end with a 38 Hz tuning frequency and 2.50 ft³ total air volume. Its 7 1/8" cutout diameter (custom sizes available) and 1-slot port with a 30 in² area ensure tight, controlled bass that fills your Silverado cabin. Weighing 57 lbs with a 7 1/4" mounting depth and a 1 1/4" front baffle, it’s built for a secure, high-performance under-seat installation.

Perfect Under-Seat Fit

With a front height of 9 3/4 inches and a rear height of 6 1/2 inches, this sub box slides neatly under your Silverado’s rear seat for a clean, low-profile installation. Its 53" length maximizes internal volume for deeper, fuller bass performance. A 17" depth provides stability and durability, ensuring a secure, long-lasting setup for powerful, forward-firing sound.

 

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Premium Heavy-Duty Construction

Crafted from 5/8" high-quality MDF wood, this sub box is built for strength and long-lasting performance, even under intense bass loads. It’s carpeted with a durable trunk liner finish and sealed with high-quality Titebond silicone and wood glue for a vibration-free, airtight enclosure. Four spring-loaded terminals provide secure, easy connections for a professional-grade, high-output audio setup.

Compact Powerhouse Bass — Nemesis NA-8F 8″ Subwoofer

Experience bold, hard-hitting bass with the Nemesis Audio NA-8F, delivering 400W RMS and 800W peak power for deep, distortion-free lows. Its massive 90oz magnet and 2″ 4-layer CCA voice coil ensure powerful output and reliable thermal performance, even at high volumes. Built on a rugged die-cast aluminum basket, this subwoofer delivers clean, controlled bass with unmatched durability.

Precision Bass and Flexible Power — Nemesis NA-8F Subwoofer

Built for serious bass lovers, the Nemesis NA-8F features Tinsel-woven leads on a heat-resistant Nomex spider for reliable, high-output performance. Its lightweight non-pressed paper cone with a tall foam surround delivers deep, punchy lows with impressive excursion. With dual 2Ω or 4Ω options, it offers the wiring flexibility you need to customize your setup and maximize your system’s power.


SPECIFICATIONS


  • Vehicle Make : Chevrolet

FEATURES


GS-FLCHVP48B 8" Quad Ported Sub Box for 2019-2026 Chevy Silverado Double & Crew-Cab (Black)

 

Specifications:

  • Cutout Diameter: 7 1/8"
  • Custom Cutout Size Available Upon Request
  • Total Air Volume: 2.50 ft³
  • Tuning Frequency: 38 Hz
  • 1 Slot Port (Dimensions: H-5” × W-6” × L-18”)
  • Port Area: 30 in²
  • Weight: 57 lbs
  • Mounting Depth: 7 1/4" (with a 6” magnet diameter)
  • Front Baffle Thickness: 1 1/4"

 

Dimensions:

  • Front Height: 9 3/4"
  • Rear Height: 6 1/2"
  • Length: 53"
  • Depth: 17"

 

Construction:

  • Built 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
  • Equipped with 4 spring-loaded terminals

 

Installation:

  • Fits under rear seat
  • Forward-firing design for optimal bass projection

 

(4) NA-8F-D4 Fierce Series 8" 800W Peak Power Handling 4 Ohm, Dual Voice Coil Component Car Subwoofer

 

Features:

  • 400W RMS / 800W Peak Power – Robust performance for deep, impactful bass without distortion.
  • 90oz High-Efficiency Magnet – Provides powerful magnetic force for high sensitivity and loud output.
  • 2″ 4-Layer Flat CCA Voice Coil – Optimized for enhanced thermal handling and consistent power delivery.
  • Heavy-Duty Die-Cast Aluminum Basket – Ensures structural rigidity and reduces resonance for cleaner bass.
  • Tinsel-Woven Leads on Nomex Spider – Offers precision control and durability under heavy excursion.
  • Non-Pressed Paper Cone with Tall Foam Surround – Lightweight and stiff, delivering punchy lows with ample excursion.
  • Dual Impedance Options (2Ω or 4Ω) – Flexible wiring choices to match various amplifiers and setups.

 

Specifications:

  • Size: 8″ subwoofer
  • Power Handling: 400W RMS (800W peak)
  • Impedance: Available in Dual 2Ω or Dual 4Ω configurations
  • Magnet: High-efficiency 90oz magnetic assembly
  • Voice Coil: 2″ diameter, 4-layer flat-wound CCA (copper-clad aluminum) voice coil
  • Basket: Durable die-cast aluminum frame for enhanced rigidity and reduced resonance
  • Lead & Spider: Heat-resistant Nomex spider with tinsel-woven leads for precise, durable performance
  • Cone & Surround: Non-pressed paper cone with tall foam surround for crisp, controlled bass
  • UPC:
  • Weight: 115.28
  • 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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