Speaker sound-absorbing cotton is installed in the speaker to absorb standing waves from the low frequency of the cabinet. After installing the sound-absorbing cotton, it will make the bass clearer and stronger. It can be used for DIY subwoofer, speaker cabinets, and interior decoration and filling of car audio systems.
Unique Bargains Speaker Sound Absorbing Cotton Polyester Fiber 100x30x5cm Flame Retardant Acoustic Insulation DIY HIFI White s26060800ux9933 - Best Buy
