− Decrease quantity for Speaker Baffles, Boom Mat, Polyethylene Foam, 3.0 in. Depth, Fits 6.50 in. Round Speakers, Pair Quantity + Increase quantity for Speaker Baffles, Boom Mat, Polyethylene Foam, 3.0 in. Depth, Fits 6.50 in. Round Speakers, Pair Add to cart