12PCS 30*30*4cm Sound-absorbing Cotton Foam Soundproof Cotton Shed Wall Muffler Sponge

Features Reduce Unwanted Noise And Echo The panels help reduce reverb undesirable acoustic reflections unwanted noises Great for spot treating sound on walls in your studio or office Use to spot treat a professional or home recording studio commercial or home office rehearsal space or home theater Make Higher Quality Audio and Video Recording Improving your audio quality instantly by reducing background noise and echo while recording your voice overs music interviews podcasts or YouTube videos Easy to shape and cut to size altering won t affect performance Specifications Material polyurethaneColor BlackSize 30 30 4cm 11 8 11 8 1 6inches 30 30 7cm 11 8 11 8 2 8inches Quantity 12PCSPackage Included 12 x Black Acoustic Foams same color