Auralex Acoustics D108L-DST Charcoal, acoustic sound control kit . The 108L-DST kit offers all the components you need to attack the acoustics of a smaller Project Studio, and gives a very professional appearance.. Consists of: 54 x DST-112 Panels (charcoal gray), 54 x DST-114 Panels (charcoal gray), 8 x LENRD-DST Bass Traps (charcoal gray) and 6 x Tubetak Pro Adhesive.