Need an ignition interlock device near Memphis? Intoxalock is available at SOUND WAVES INC, a certified Intoxalock ignition interlock installer. We can install your breathalyzer in cars, trucks, vans and other vehicles.Sound Waves was founded in 1999 in a 1500 sq. ft. shop that is now a 10,000 sq. ft. facility; we take automotive electronics to the next level. Sound Waves offers everything from quality basic installations to the finest in custom installations. In addition, we have been installing ignition interlock devices for Intoxalock since 2009.