Click or scroll to zoom Tap or pinch to zoom [Proficient] IWS85 In-Wall Passive Subwoofer by Proficient Save Liquid error (product-badge line 32): -Infinity% $8,000.00 1 Pieces - $8,000.00 1 Pieces Unit 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Dual 8 "woofer unitIn-Wall subwooferDimensions: H 20 5/16" x W 11 5/8" X D 3 3/4"Wall Cut Out: H 19 1/8" X W 10 5/8"