Mariyandh 6.5" Foam Speaker Enhancer Foam Fast Rings Fits for 6" 6.5" Car Door Speaker, Universal High Rebound Sponge Bass Blocker Kit with High Rebound for Stereo Audio Speaker

[Product Size] : Car speaker foam ring outside diameter 7.56inch/192mm, inner diameter: 5.6inch/142mm, height: 0.98inch/25mm, great for 6" 6.5" 6.75" 7" car door speaker., [Product Function]: The Foam Speaker Enhancer Kit prevent the sound quality from spreading, Absorbs the echo from the car door, Enhances the sound effect of the horn, and strengthens the sound effect., [Product Material] : Foam Speaker Enhancer Kit use high-quality foam material make sure the product is soft and elastic. Make it weather-resistant and stable, not affected by high or low temperature, and stable sound insulation, [Function]: Specially designed foam for car door speakers, great for preventing sound diffusion, absorbing door echoes, enhancing speaker sound, and strengthening audio effects., [Self Adhesive]: Speaker fast rings with strong stickiness, no easy drop, easy to install.