Description
Material: 4PCS Foam Speaker Enhancer are Made of High Quality Foam Material, Memory Cotton, Soft, High Rebound, Heat Resistance, Waterproof and No Mold, Durable, Pressure, Excellent Performance..Function: Car Speaker Foam Rings Can Shock Absorption, Prevent Sound Diffusion, Absorb the Door Echo, Improve the Speaker Sound Effect, Strengthen the Sound Effect, You will Enjoy High Quality 360-Degree Surround Music..Size: Speaker Fast Rings Outside Diameter :7.63inch, Inner Diameter: 5.7inch, Height: 0.98inch..Easy to Install: The Back of the Car Door Speaker Foam Rings Adopts Up-Grade Self Adhesive, Strong Stickiness, No Easy Drop, Easy to Install..What You Get: This Kit Includes 4PCS of Speaker Foam Rings to Improve the Sound Quality of Cars, Great for 6” 6.5” 6.75” 7” Car Door Speaker.