*2 panels included Recommended for: Control rooms, home or professional studios, recording rooms, live music halls, listening rooms... Best for absorbing: LOW-MID to HIGH frequencies Specifications per panel: Dimensions: 104x64x12cm Core: Ecose rock mineral wool - density: 50kg/m3 - gas flow resistivity: >10000 Pa*s/m² - fire retardant (HRN EN 13501-1): A1 - formaldehyde free Fabric: Premium feel acoustically transparent fabric - Textum Kabal (295 g/m2) Weight: 9kg Frame: sturdy wooden frame with built-in 2cm air gap in the back for more bass absorption Classification sound absorption (EN ISO 11654:1998): A Sound absorption coefficient (EN ISO 354:2003): Tested at IGH Institut in Zagreb, Croatia 2022. Hanging options: 1. Wall mount: 2x sawtooth hangers with screws per panel 2. Ceiling mount: 4x eyehooks per panel (+5 EUR) *Due to various wall construction types, wall anchors and screws are not included.