*2 triangle traps are included (price per trap- 119,99EUR + VAT) TRIANGLE traps are our smallest bass traps that fit every corner perfectly and handle most of bass problems going down to 80Hz. Recommended for: Home or professional studios, hi-fi listening rooms, rehearsal spaces and live rooms. Best for absorbing: LOW, LOW-MID frequencies Specifications per panel: Dimensions: 104x42x42x57cm Core: Ecose rock mineral wool - density: 30kg/m3 - gas flow resistivity: 5000 Pa*s/m² - fire retardant (HRN EN 13501-1): A1 Fabric: Premium feel acoustically transparent fabric - Textum Kabal (295 g/m2) Weight: 9kg Frame: sturdy wooden frame with top and bottom 8mm HDF covers. Classification sound absorption (EN ISO 11654:1997): A Noise Reduction Coefficient (ASTM C423:1989): 1,05 Mounting kit not included* *TRIANGLE Traps are designed to be placed in corners, and they can be stacked vertically without a mounting kit. **TRIANGLE Traps can also be mounted in the corners of the wall/ceiling, options for hanging hardware is available when choosing the model. ***Optional legs are available to raise the first TRIANGLE Trap from the floor above the beading.