Tri Audio Sound is your car audio specialist in San Mateo, CA! Since our establishment in 1978, we have been serving our local community, providing them with top-rated services at affordable rates. We specialize in everything from car audio installation, to car detailing and car audio repair. Whether we are working on a new car model or an older one, our experienced and knowledgeable team is here to deliver great results that will elevate your riding experience. For great service in San Mateo, CA, call on Tri Audio Sound.