Graootoly Acoustic Panels White 12 Pieces High Density Beveled Edge for and Acoustic Treatment

SGS TEST:In the frequency of 2000 Hz ~ 5000 Hz, average absorption coefficient: 0.8, : 0.9 (SGS NO. XMIN190100254CCM), Properly installing a sufficient number of panels in space can significantly reduce noise, sound impurities and speech intelligibility, each panel is SGS environmental protection test, Formaldehyde free: E0 Class (SGS NO. SHAEC1709892601); Fire-safe: B1 Class (SGS NO. XMIN190100052CCM ) No APPLICABLE:Professional acoustic control / treatments, sound dampening, noise reduction ( Neighbor Call / Snore / Piano / Footstep / Talking / TV / Car horn sound etc. ) - Used for ceiling, main wall, TV wall, door, ; Offices, apartment, home theaters, studios, school, stage, rehearsal rooms, concert , podcasting, churches, dog kennels sound absorbing panels weighs more than 4 pounds, high-density pads of more than 230kg / for noise deadening, dampening, acoustic isolation, reducing, reverb diffuser, acoustic treatment, other sound absorption and EASY TO INSTALL: So light tiles, you can place on your walls with double-sided ( Need to buy ) tape, not damage the paint STABLE PROPERTIES:Our plates will not expand and shrink due to temperature or humidity.