4pc 6.5 Car Door Foam Speaker Enhancer System Sponge Kit Fast Foam Rings Bass Blocker Soundproof Sponge Car Horns Sponge Car Stereo Foam Car Audio Speaker Foam for 6"- 7" Speaker

4pc 6.5 Car Door Foam Speaker Enhancer System Sponge Kit Fast Foam Rings Bass Blocker Soundproof Sponge Car Horns Sponge Car Stereo Foam Car Audio Speaker Foam for 6"- 7" Speaker

• 4pcs car speaker foam ring 6.5" fast rings fit for 6" 6.25" 6.5" 6.75" 7" Coaxial Speakers Marine Speakers Spacer. Foam Materila: Japanese Polyurethane High Density and High Resilience PU self-crusting sponge- PU self-crusting sponge
• Double-sided sticker adhesive, the materials used in our products are the first-class materials in the industry. adhesive has strong stickiness, is not easy to fall off, and is easy to install, Dash Speaker Foam, Tweeter Foam, Coaxial Speaker Foam, Marine Speaker Foam, Speaker Sponge
• Closed Cell Memory Foam durable compression and extrusion resistance, improve Speaker sound effect
• Our car speaker foam rings are Closed Cell foam. make Better bass accent. Closed cell foam better then open cell when using for speaker. Simple installation and use, PU self-crusting sponge, with a cortical appearance, make the product beautiful and generous.
• Our car speaker foam rings preveant sound quality diffusion, absorb car door echo, enhance horn sound effect and enhance sound effect