CEDIA 2019: AudioControl Debuts RS 500/1000 Subwoofer Amplifiers, Avalon G4 Theater Power Amplifer September 13, 2019 | Home / September 13, 2019 rave-video / CEDIA 2019: AudioControl Debuts RS 500/1000 Subwoofer Amplifiers, Avalon G4 Theater Power Amplifer CEDIA 2019: AudioControl Debuts RS 500/1000 Subwoofer Amplifiers, Avalon G4 Theater Power Amplifer