Car Speaker Sound Insulation Ring

Enhance the sound quality in your car with the Car Speaker Sound Insulation Ring, available in sizes 4 inch, 5 inch, and 6.5 inch. These soundproof foam rings absorb back waves, preventing front and back wave counteraction and reducing panel vibration. They also effectively absorb door echoes and enhance horn sound, resulting in a sealed and improved sound performance. Each package includes 4 insulation rings.