RCA Low Level Input
High Level Input Green and Red LED Power Status Indicator Phase Selector Switch: 0 or 180 Degrees Adjustable Input Sensitivity: 0.2V-6V 0 to +12dB Variable Bass Boost (@45Hz) | Subsonic Filter (20-50Hz)
Low Pass Filter (20-150Hz) Soft Delay Remote Turn-on Thermal, Short, and Overload Protection Circuits |