t.akustik Tube Trap BK, Absorber, Suitable for damping low frequencies to optimise room acoustics, Ideal for sound studios, home and project studios, rehearsal rooms, home cinema and hi-fi applications, Material: high-quality polyester acoustic foam with high density (45 kg / m3) and dense structure especially for absorbing low frequencies, Flame retardant according to FMVSS 302 burning rate <100 mm/min, With fabric covering, Colourless lacquered wooden floor and ceiling panels, Dimensions (H x Ø): 100 x 45 cm, Weight: 13.6 kg, Colour: Black