JC Power Audio Shop on Chula Vista's Third Avenue has installed aftermarket car audio, ceramic window tint, and vehicle security systems from the South Bay storefront since 2021. The shop carries KICKER subwoofers, Pioneer head units, and Llumar ceramic tint film, covering the electronic-upgrade half of a vehicle build that complements wheel and tire packages from Evans Tire. Technicians fabricate custom fiberglass subwoofer enclosures shaped to fit specific trunk and cargo configurations, alongside Apple CarPlay and Android Auto stereo conversions for factory-radio replacement. Llumar CTX ceramic film blocks up to 99 percent of UV radiation and rejects significant infrared heat without metallic interference, a spec-grade product compatible with the OEM-standard windshield replacements provided by Auto Glass Depot. Full-build installations combine amplifier wiring, component-speaker crossover networks, and custom subwoofer enclosures with sound-deadening material layered across door panels, floor pans, and trunk cavities to minimize road-noise interference with the upgraded audio signal.