Broadband absorber that is meant to be hanged on the ceiling and provide low-mid to high frequency absorption, prevent echo flutter and reduce reverberation time. Specifications: Dimensions: 139x104x14cm Weight: 25kg Frame: sturdy wooden frame with 3 high quality dimmable LED lights *LED lights come in a box (installation by a certified electrician required) Core: Ecose rock mineral wool -density - 50kg/m3, fire retardant (HRN EN 13501-1): A1 Fabric: Premium feel acoustically transparent fabric - Textum Kabal (295 g/m2) Classification sound absorption (EN ISO 11654:1998): A Sound absorption coefficient (EN ISO 354:2003): Tested at IGH Institut in Zagreb, Croatia 2022. Mounting kit: 4x back hooks premounted for hanging on the ceiling. Due to various wall construction types, wall anchors and screws are not included. *Waiting time from order till completion is about 2 weeks. This item ships on a pallet and is best combined with other items. Please contact us for specific information and shipping quote.