The Sonitus Decotrap Natur Maze Ebony Absorber is a semi-covered low frequency absorber for controlled absorbing of low frequencies. Made from USAP DT (Unique Sonitus Acoustic Polyester) foam, a heavy and high density polyester foam covered with a perforated plywood plate. Decotrap absorption range is from 50-500hz, most effective between 60 and 250 hz. Fire resistant norm : FMVSS 302 <100mm/min
