Upgrade your car audio system with this premium bundle, featuring the Alpine S2-S65 6.5” Coaxial Speakers and a 3-piece foam ring speaker enhancement system. The S2-S65 speakers are Hi-Res Audio Certified, delivering crystal-clear sound with a frequency response of up to 40kHz. Crafted with advanced materials and Alpine's exclusive HAMR Surround technology, these speakers provide powerful bass and precise audio quality. Paired with the foam ring speaker kit, this bundle minimizes sound interference, enhances mid-bass response, and improves overall efficiency for an unparalleled in-car listening experience. Perfect for audiophiles and casual listeners alike. This bundle is the ultimate solution for audiophiles seeking top-tier performance, reliability, and seamless installation for their car audio upgrades.