Dual Square 12? Slot-Ported Heavy Duty Empty Woofer Box

(2) 12&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 13-1/4? X 16-1/4?
Volume (Sub): 1.6 cu. ft. per chamber
Volume (Over-All): 3.0 cu. ft.
Mounting Depth: 15-1/4”
Tuning Frequency: 39 HZ