Sun Valley Stereo has been serving Phoenix, AZ, since 1978. We have always been committed to customer satisfaction. If you want to upgrade your current system or enjoy a great sound system in your car, Sun Valley Stereo has a wide selection. We specialize in sales, service, and installation of mobile electronics, such as car audio systems, car alarms, navigation systems, video systems, satellite radio, factory stereo integration, and marine audio systems. We have a lifetime warranty on our installations, and we will also install merchandise not purchased from us and fix bad installs. Come check out our great selection of equipment and prices or call us today to learn more.