Need an ignition interlock device near Centereach? Intoxalock is available at Sound Effect, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Sound Effect is your one stop shop for all your car accessory needs on the island. They specialize in window tinting, car alarm installation and customization. In 2015 Sound Effect became an authorized ignition interlock installer for Intoxalock.