- SUPERIOR MATERIAL -- Foam speaker enhancer system with classy foam cotton material ensures high sound quality to absorb car door echo, and enhance horn sound effect.
- ADHESIVE & DURABLE -- The car door foam speaker has a double-sided sticker, this adhesive with strong stickiness is not easy to fall from speakers and can be used for a long time without worries.
- HIGH ELASTICITY -- Car speaker foam rings are elastic and will rebound fast immediately, the unique sponge pad, the best sound blocker, feels comfortable and soft.
- SIZE:Outside Diameter: 19.5cm/7.67inch;Inner Diameter: 14.5cm/5.7inch;Height: 2.5cm/0.98inch.
- EXTENSIVE APPLICATION -- Foam speaker rings are perfect for the universal 6" and 6.5" speakers which are suitable for most car speakers.