Description from Thomann
- Absorber for optimizing room acoustics - High-quality polyester acoustic foam with high density (45 kg / m3) and dense structure especially for the absorption of low frequencies - Main frequency / effective range 80 to 500 Hz - Material: Polyester acoustic foam - Flame-retardant according to FMVSS 302 Burn rate <100 mm / min - Individually removable acoustic panels - Dimensions: 400 x 400 x 600 mm - Colour: Anthracite / silver spruce - Shipping quantity: 2 Pieces
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