QPower Quad 8" Underseat Sub Box - Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026
QPower Quad 8" Underseat Sub Box - Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026
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QPower

QPower Quad 8" Underseat Sub Box - Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026

QPower Quad 8" Underseat Sub Box - Chevy Silverado Crew Cab, GMC Sierra Crew Cab 2007-2026QPower QBGMCFF0740 8 Inch Quad Port Subwoofer Box for GMC and Chevy Crew CabQPower QBGMCFF07208 8 Inch Dual Port Subwoofer Box for GMC and Chevy Crew Cab
Size:Quad

Key item features

  • Quad Openings: Features four 8-inch openings, providing an ideal fit for four subwoofers to enhance audio output.
  • Vehicle Compatibility: Specifically designed for 2007-2026 Chevy Silverado Crew Cab and GMC Sierra Crew Cab trucks.
  • Enhanced Sound: Underseat down-fire capabilities contribute to a louder and crisper sound experience.
  • Durable Construction: Made from robust bed liner material, ensuring durability and protection against wear and tear.
  • Optimal Bass: The enclosure's design is ideal for loud bass playing, with a comfortable tuning frequency of 35 hertz.
  • Key Dimensions: Offers 0.8 cubic feet of air space and an 11.25-inch mounting depth for 8-inch subwoofers.
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Current price is $185.99
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Sold and shipped by Back to Basic
5 stars out of 5, based on 2 seller reviews(5.0)
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4.5 out of 5 stars
stars28 ratings23 reviews
How item rating is calculated
  1. 5 stars68% (19)
  2. 4 stars21% (6)
  3. 3 stars7% (2)
  4. 2 stars0% (0)
  5. 1 star4% (1)

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Showing 1-3 of 23 reviews

Jun 21, 2025
arturo
Sold and shipped bySpreetail
5 out of 5 stars review

Verified Purchase

works great perfect fit

great choice looks good sounds good very well made. no complaints

Incentivized Review
Helpful?1YBKX933JKPD454641114
Dec 14, 2024
oscar
Sold and shipped bySpreetail
5 out of 5 stars review

Verified Purchase

Good guys

Good company perfectly delivered. Just a heads up you will need a seat lift kit for 2018 Chevy Silverado 1500

Incentivized Review
Helpful?1YBKX933JKPD454641114
Oct 6, 2023
Richard
Sold byKART IT
5 out of 5 stars review

Verified Purchase

Perfect subwoofer box for a 2022 Silverado

I liked that this box was a perfect fit, I also liked that you can keep your jack and jack stand in its factory location.

Helpful?1YBKX933JKPD454641114