Need an ignition interlock device near Norwich? Intoxalock is available at Sound 1 Inc, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.For all your car and home audio needs, Sound 1 is the place to be. Their convenient hours are from 10:00AM to 6:00PM Tuesday through Friday and 10:00AM-5:00PM Saturdays. Stop by their location on West Town Street in Norwich, Connecticut. Their professional services include home theaters, car stereo, and window tint. Intoxalock certified in 2016, Sound 1 can satisfy all your ignition interlock needs.