BENLIUDH Car Door Fast Rings Foam Bass Blockers Universal Speaker Enhancer System Kit for 6 and 65 Speakers 2 Pcs Self Adhesive

Outside diameter 768 inches inside diameter 59 inches height 1 inches Specially designed foam for car door speakers Universal foam speakers gasket ring ring kit for 6 and 65 speakers These are foam so theyre overunder sized you can stretch or cut to fit Package includes 2 loudspeaker soundproof rings This kit is for 2 speakers you would need to buy 2 packs for 4 speakers High purity EPDM is adopted to effectively prevent noise transmission and the perforation design can effectively discharge the infiltrated water acoustically sealed loudspeakers for better sound quality After installation you can enjoy 360degree surrounding midbass in your car Bass feels better because this foam works as a chamber for the speakers enhancing the feel while reducing the vibration since sound is no longer directory bouncing of the metal frame Absorbs rear Wave prevents front and rear Wave cancellation and reduces panel vibrations