Auralex Acoustics D36-DST Purple Roominators - acoustic sound control kit designed for spot treatment. The Roominators D36 acoustic sound control kit offers you a starting point to reduce unwanted slap and flutter echo in your room. Consists of: 18x DST-112 panels (charcoal grey), 18x DST-114 panels (purple), size per tile: 305 x 305 x 50 mm, 2x tubes of Tubetak pro adhesive.