4 Pack Car Speaker Foam Ring 6'' 6.5" 6.75'' Fast Rings Sticky Enhancer Blocker Soundproof Sponge Baffles for Car Audio Door Speakers Component Set Bass Stereo Sound Insulation Rebound
Acoustically seals speakers for better sound performance,absorbs rear Wave, prevents front and rear Wave cancellation and reduces panels vibrations.
To prevent the diffusion of sound quality, absorb the echo of the car door, enhance the sound effect of the horn, enhance the sound effect in the car, and seal the vibrations.
Description
Color: Black
Material:Foam
Height:2.5cm
Outside Diameter:19cm/7.68"
Inner Diameter: 14.5cm/5.71"
Package include : 4 x Car Speaker Foam Rings