Qpower Dual 12" Hole Vented 1" Mdf

Dual 12&quote; Slot-Ported Heavy Duty Empty Woofer Box
1&quote; MDF FACE AND 3/4&quote; MDF BODY
Gold Tipped Spring Loaded Terminals|
Premium Charcoal Colored Carpet

(W x H x D) 30? X 12-3/4? X 16?
center slot port (W x H): 3&quote; x 12&quote;
Tuning Frequency: 39 HZ
SLOT PORTS At BACK OF EACH CHAMBER JOIN IN A COMMON CENTER PORT
11&quote; mounting depth
Volume (Sub): 1.60 cu. ft. per chamber
Mounting Depth: 11-1/2”