ECOUSTIC Felt Acoustic Panel 25mm Thick 2.7 Density Soundproof Wall Panel 1210x1360mm - Perfect for Home Studios, Offices & Noise Reduction

 Superior Sound Absorption: Ecoustic® Panel 25mm achieves an alpha w 0.8 and NRC 0.85 when the panel is directly fixed to a wall, and is ideal for medium and high frequency absorption. Ecoustic® Panel 50mm achieves an alpha w 1.0 and NRC 1.0 when the panel is directly fixed to a wall, displaying broadband characteristics and is ideal for low, medium and high frequency absorption.