- Set with 2 pieces - Absorber for improving the room acoustics - Especially suited for absorption of low frequency sound waves - Main effective range: 80 to 1000 Hz - Material: Polyester acoustic foam - Flame retardant according to FMVSS 302 - Burning rate < 100 mm/min - Dimensions: 370 x 370 x 600 mm - Colour: Anthracite / High-Gloss White EUR 77.00 - See more - Buy online