6.5‑Inch Self‑Adhesive Speaker‑Foam‑Ring Pad, Sound‑Insulation

6.5‑Inch Self‑Adhesive Speaker‑Foam‑Ring Pad, Sound‑Insulation

• Standard‑size foam‑sponge ring specially designed for most 6.5‑inch door‑mount car stereo speakers.
• Built‑in self‑adhesive backing enables firm attachment between speaker unit and door metal panel.
• Sponge gasket fills assembly gaps to reduce sound leakage and suppress unwanted panel resonance noise.
• Optimizes bass performance and improves overall listening experience for in‑car audio systems.
• Flexible wear‑resistant sponge supports quick DIY installation without cutting or extra modification.