Auralex Venus Bass Trap 2x4x1 Flat Panel (Burgundy, 2 Pack)The Venus Bass Trap achieves a prodigious level of low frequency sound control at your room boundaries, where low frequency problems begin, at a price that allows it to fit into most budgets. Venus Bass Traps ship in a 2'x4'x12 size, but is often cut in half to 2'x2', then paired with a 12 Auralex CornerFill. NRC: 1. 30 Qty: 2 (16 sq. ft.); Adhesive Per Box: Foamtak or 2 Tubetak