2 PCS 6.5" Foam Speaker Enhancer, Self Adhesive Car Door Speaker Foam Baffles with High Rebound, Soundproof Auto Sponge Bass Blocker Fast Rings for Enhancing

Practical Function: Designed for automotive audio systems, this speaker enhancement ring concentrates sound output and reduces audio dispersion, delivering richer bass and clearer mid-to-high frequencies. It comprehensively enhances sound quality for a more immersive musical experience Premium Material: Made from high-quality nitrile rubber foam, this speaker enhancer features exceptional heat resistance and deformation resistance. It maintains stable elasticity and shape under varying temperature and humidity conditions, ensuring long-term reliability and consistent performance over time Ideal Size: This speaker enhancer measures 7.67 inches (19.5 cm) in outer diameter, 5.7 inches (14.5 cm) in inner diameter, and 1 inch (2.5 cm) in height, fitting most 6.5-inch speakers. If it is slightly oversized, it can be trimmed to ensure compatibility with various audio systems Easy Installation: This speaker enhancer features a self-adhesive backing for easy installation. First, clean the surface where the sticker will be applied, ensuring it is clean and dust-free. Then peel off the protective layer and press it firmly around the speaker for secure attachment Wide Application: This speaker enhancer is compatible with in-car audio systems in various vehicles, including sedans, SUVs, and trucks. It is also suitable for home audio systems and other sound optimization scenarios, significantly improving speaker sound quality