Illuminated badge ; PWM high-headroom power supply ; 27Hz-63Hz parametric bass boost ; Variable bandwidth adjustment ; Max output level: 13.5V ; LED MAX bass indicators; 35Hz-80Hz variable subsonic filter ; Variable subsonic filter; Balanced RCA inputs ; Selectable input ground sources; Selectable grounding isolation; Freq resp: 10Hz-100kHz ; Signal-to-noise ratio: 130dB ; THD: .003%; Dash-mount remote ; Chrome finish;