Qpower 2 Hole 15" Vented Woofer Box With 1" Mdf Face

Dual 15? Slot-Ported Heavy Duty Empty Woofer Box (2) 15&quote; CENTER SLOT PORT – COMMON PORT 2 CHAMBERS ARE OPEN TO EACH OTHER – THRU PORT 1? MDF FACE AND 3/4? MDF BODY Gold Tipped Spring Loaded Terminals Premium Charcoal Colored Carpet (W x H x D) 36? X 18? X 16-1/4? Volume (Sub): 2.3 cu. ft. per chamber Mounting Depth: 12-3/8” Tuning Frequency: 38 HZ 2.25? SLOT PORTS at BACK OF EACH CHAMBER JOIN TOGETHER IN A 2.5? CENTER SLOT PORT (72 pounds)