CEDIA 2017: Stealth Acoustics Features LRX 83 Invisible Speaker SeriesSeptember 12, 2017 | Home / September 12, 2017 rave-video / CEDIA 2017: Stealth Acoustics Features LRX 83 Invisible Speaker Series Look in: Cedia CEDIA 2017: Stealth Acoustics Features LRX 83 Invisible Speaker Series