---
product_id: 311179783
title: "Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure, Q-Bomb Ported Sub Box Compatible with Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026"
brand: "q power"
price: "¥154626"
currency: JPY
in_stock: true
reviews_count: 10
category: "Q Power"
url: https://www.desertcart.jp/products/311179783-q-power-quad-8in-underseat-front-fire-subwoofer-enclosure-q
store_origin: JP
region: Japan
---

# 4x 8-inch subwoofer openings Fits 2007-2026 Chevy & GMC Crew Cabs Rugged bed liner durability Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure, Q-Bomb Ported Sub Box Compatible with Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026

**Brand:** q power
**Price:** ¥154626
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your truck’s vibe with bass that’s impossible to ignore!

## Quick Answers

- **What is this?** Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure, Q-Bomb Ported Sub Box Compatible with Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026 by q power
- **How much does it cost?** ¥154626 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/311179783-q-power-quad-8in-underseat-front-fire-subwoofer-enclosure-q)

## Best For

- q power enthusiasts

## Why This Product

- Trusted q power brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Rugged bed liner material ensures your subwoofer enclosure withstands daily truck life with unmatched durability and style.
- • **Quad Power Bass:** Four 8-inch subwoofer ports deliver immersive, room-shaking low end that commands attention on every drive.
- • **Perfect Truck Fit:** Custom-engineered for Chevy Silverado & GMC Sierra Crew Cabs (2007-2026) — no seat modifications needed, just pure audio upgrade.
- • **Underseat Down-Fire Design:** Optimizes sound projection for louder, crisper bass that transforms your cabin into a concert hall on wheels.
- • **Precision Tuned Performance:** 35Hz tuning frequency and 0.8 cubic feet air space deliver deep, clean bass that makes your music pop.

## Overview

The Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure is a ported sub box designed specifically for 2007-2026 Chevy Silverado and GMC Sierra Crew Cab trucks. Featuring four 8-inch subwoofer openings, a rugged bed liner exterior, and an underseat down-fire design, it delivers powerful, crisp bass with a 35Hz tuning frequency. This durable, perfectly fitting enclosure transforms your truck’s audio experience without requiring seat modifications.

## Description

desertcart.com: Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure, Q-Bomb Ported Sub Box Compatible with Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026 : Electronics

Review: Read whole review - Sundown x8 v3 don't fit with out shaving box and removing rubbers on magnets. Ports also to small for these subs fuffs really bad on deep bass sounds. Overall box is definitely strong, looks great. Definitely recommend for smaller subs. Figured the port was to small for subs took a chance anyways. Fits great in 2019 chevy silverado crew
Review: Fits the truck perfectly - Great fit. Box fits 8s and the truck excellent. No need for seat lifters. Stick out just a tad in front . But not enough to be troublesome 👌

## Features

- Ideal enclosure box fit with 4-hole 8-inch openings, allowing for 4 powerful subwoofer speakers, enhancing auditory bass and sound experience
- Compatible with 2007-2026 Chevy Silverado Crew Cab and GMC Sierra Crew Cab trucks
- Comes with an underseat down front fire capabilities, designed to enhance audio projection, that help produce a noticeably louder and crisper sound than ever before
- Designed with a rugged bed liner material, providing exceptional durability, reliable protection, and enhanced longevity for lasting stereo performance
- Crafted meticulously to create a space for loud, immersive bass playing, with a tuning frequency of 35 hertz, 0.8 cubic feet air space, and a mounting depth of 11.25 inches

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08SF2FW97 |
| Audio Driver Size | 8 Inches |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #27,780 in Electronics ( See Top 100 in Electronics ) #31 in Car Subwoofer Boxes & Enclosures |
| Chassis Size | Ported |
| Compatible Devices | Gaming Console, Laptop, MP3 Player, Smartphone, Tablet |
| Control Method | Touch |
| Customer Package Type | FFP |
| Customer Reviews | 4.3 4.3 out of 5 stars (252) |
| Date First Available | January 6, 2021 |
| Included Components | 4 x Subwoofer |
| Is Waterproof | FALSE |
| Item Weight | 37.9 pounds |
| Item model number | QBGMC07408 |
| Manufacturer | QPower |
| Material | Bed Liner Material |
| Model Name | QBGMC07408 |
| Mounting Type | underseat |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Set Name | Q Power 8 Inch Quad Ported Subwoofer Set |
| Shape | Rectangular Prism |
| Speaker Size | 8 Inches |
| Speaker Type | Subwoofer |
| Special Feature | Underseat Down Fire, Rugged Bed Liner |
| Specific Uses For Product | Car Audio Systems |
| Style | 8" Quad |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 8 Inches |
| Surround Sound Channel Configuration | 4.0 |
| UPC | 813177027141 |
| Warranty Type | Lifetime |
| Woofer Diameter | 8 Inches |

## Product Details

- **Audio Output Mode:** Front
- **Brand:** Q Power
- **Connectivity Technology:** USB
- **Frequency Response:** 35 Hz
- **Speaker Maximum Output Power:** 400 Watts

## Images

![Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure, Q-Bomb Ported Sub Box Compatible with Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026 - Image 1](https://m.media-amazon.com/images/I/61luKa9ceNL.jpg)
![Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure, Q-Bomb Ported Sub Box Compatible with Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026 - Image 2](https://m.media-amazon.com/images/I/71NGiy6q9FL.jpg)
![Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure, Q-Bomb Ported Sub Box Compatible with Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026 - Image 3](https://m.media-amazon.com/images/I/71K-MOXbS3L.jpg)
![Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure, Q-Bomb Ported Sub Box Compatible with Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026 - Image 4](https://m.media-amazon.com/images/I/71mDP5hjzyL.jpg)
![Q Power Quad 8in Underseat Front Fire Subwoofer Enclosure, Q-Bomb Ported Sub Box Compatible with Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026 - Image 5](https://m.media-amazon.com/images/I/819BAt9POlL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Read whole review
*by M***L on November 4, 2022*

Sundown x8 v3 don't fit with out shaving box and removing rubbers on magnets. Ports also to small for these subs fuffs really bad on deep bass sounds. Overall box is definitely strong, looks great. Definitely recommend for smaller subs. Figured the port was to small for subs took a chance anyways. Fits great in 2019 chevy silverado crew

### ⭐⭐⭐⭐⭐ Fits the truck perfectly
*by D***D on December 11, 2025*

Great fit. Box fits 8s and the truck excellent. No need for seat lifters. Stick out just a tad in front . But not enough to be troublesome 👌

### ⭐⭐⭐⭐⭐ Great box for the price
*by I***Z on December 3, 2024*

This Box is great installed a couple of ct audio meso subs and man does it sound good. Also it’s a very nice constructed box with that Bed-liner style finish. Well worth the money.

## Frequently Bought Together

- Q Power 8 Inch Quad Port Car Subwoofer Speaker Enclosure Box with Bed Liner and Underseat Down Front Fire for 4 Subwoofers, Black
- BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit with Power Cables, Ground Cables, Turn-On Wire, Speaker Wire, Terminals
- SUB ZERO Ice SS3327 Speakers, 6.5-inch Coaxial 220W - Black/grey

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/311179783-q-power-quad-8in-underseat-front-fire-subwoofer-enclosure-q](https://www.desertcart.jp/products/311179783-q-power-quad-8in-underseat-front-fire-subwoofer-enclosure-q)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-11*