QPOWER 4 HOLE 8" PORTED WOOFER BOX FOR 2007-2020 GM CREW CAB

QBOMB “ BLACK SPRAYED ON BEDLINER COATING '07-'22 Chevy/GMC Crew Cab 4-HOLE 8" Vented Enclosure “ Under seat Front-fire Front Slot Port: (WxH) 4" x 7" Spring Loaded Push Pin Terminals 5/8 ? MDF Construction Mounting depth: 12? Volume (Sub): 0.80 cu. ft. Tuning Frequency: 35HZ Dimensions: (WxDxFH/BH) 49? x 13" x 8-3/4?/6-1/4?