DUAL 15 INCH SUBWOOFER BOX: Kerf ported sub box engineered for hard-hitting car audio bass performance.
LOW-TUNED PERFORMANCE: 5.5 cubic feet net internal airspace (2.75 cu ft per sub) tuned to 30 Hz for deep, aggressive low-frequency output.
TRUE L-VENT KERF PORT DESIGN: Rounded internal airflow path supports improved efficiency and stronger bass response compared to traditional slot ported subwoofer enclosures.
3/4" NORTH AMERICAN MDF: CNC precision-cut panels with miter and dado construction, high-strength wood glue, and brad nail assembly for structural durability.
CAR AUDIO READY FITMENT: 14.12” cutout diameter with 14” mounting depth and rear-mounted nickel spring-loaded terminal cups for clean installation.
Atrend Universal MDF Constructed Spacer for 12 Inch Speaker or Sub - Adds 3/4" To Depth - Premium Subwoofer Spacer Improves Audio Quality, Sound & Bass - Multiple Usage - Charcoal
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Atrend 15SA 15" Hatchback Truck Style/Wedge Shaped/Single Sealed Subwoofer/Speaker Enclosure. Made in USA
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Atrend Quad 8" Vented Sub Box for 2007–2025 Chevy Silverado & GMC Sierra 1500 Crew Cab Trucks – Carpeted Underseat Enclosure for Hard-Hitting Low-End Bass in Your Truck
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Atrend Dual Vented 12 Inch Down Firing Subwoofer Enclosure with Universal Fit - Dual Car Subwoofer Boxes & Enclosures - Made in USA Subwoofer Box Improves Audio Quality, Sound & Bass
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