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

Upgrade your truck's audio without sacrificing cabin space. The QPower QLuxe Quad 8" Sub Box is purpose-built for Chevy Silverado Crew Cab and GMC Sierra Crew Cab trucks from 2007 to 2026, fitting neatly underseat so you keep every inch of your interior usable while still getting serious bass.

This enclosure features four 8-inch openings, giving you the ideal fit for a pair of 8-inch subwoofers working together to fill your cabin with deep, punchy low end. The underseat front fire design orients the subs to project sound forward into the cabin rather than down into the floor, delivering a louder, more directional bass response that you'll actually feel behind the wheel. Built with 1.6 cubic feet of air space and tuned to 35 hertz, this box is dialed in for rich, resonant bass without unwanted rattle or distortion, whether you're cruising with hip-hop, rock, country, or anything with low end that hits hard.

Durability is baked in with a rugged bed liner finish that stands up to daily truck life, resisting scratches, moisture, and general wear far better than a traditional carpet wrap. Since it sits underseat, it's shielded from UV and everyday cabin traffic, but the bed liner coating means it'll still look and perform great for the long haul. The QLuxe's compact, vehicle-specific design means true drop-in installation, no cutting, no modifying, no guesswork. Just slide it into place under your factory seat and you're ready to hook up your amp.

If you want a truck sub box that's engineered for your specific cab, protects itself against the wear of daily driving, and throws bass forward where you can hear it, the QPower QLuxe Quad 8" underseat enclosure is built to deliver exactly that.

• 4-hole 8-inch openings allow for an ideal fit for 2 subwoofers
• Compatible with 2007-2026 Chevy Silverado Crew Cab and GMC Sierra Crew Cab
• Underseat front fire capabilities project bass into the cabin, creating a louder and more directional sound
• Bed liner material provides durability and protection
• Enclosure's design makes for an ideal spot for loud bass playing
• Tuning frequency: 35 hertz
• Air space: 1.6 cubic feet
• Mounting depth: 11.25 inches
• Subwoofer size: 8 inches
• Color: Black
• Dimensions (L x W x H): 14.50 x 54.50 x 13.88 inches
• Weight: 40.00 pounds
• Manufacturer warranty: 30-Day Warranty

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