Uxcell Speaker Sound-Absorbing Polyester Audio Insulation DIY HIFI Replacement 15.75''x39.37'' White

Speaker sound-absorbing cotton is installed in the speaker to absorb standing wave from the low frequency of the cabinet. After installing the sound-absorbing cotton, will make the bass clearer and strong. The acoustic propagation will make space larger. The amount of sound absorption cotton in a box should be tested actually. When the bass is smeared, install more sound-absorbing cotton. Otherwise, reduce cotton.

Material: Polyester Size: 15.75"x39.37" Color: White Package: 1 x speaker sound-absorbing cotton