Class D operation MOSFET PWM (Pulse Width Modulated) Power Supply One Ohm stable mono operation Thermal, overload and speaker short protection Soft turn-on circuit Remote turn-on/turn-off circuit Variable input gain control Input voltage sensitivity selector 15-40Hz, 12dB/octave variable subsonic filter 50-150Hz, 12dB/octave variable low pass filter Variable 0-+18dB bass boost 0/180 degrees phase shift selector Chrome-plated RCA low level inputs Nickel-plated speaker and power terminals LED power and protection indicators Black anodized heatsink Remote subwoofer level control Blue Illuminated Planet Audio Logo Includes (1) One Class D amplifier, (1) One Remote subwoofer level control, (1) One Remote subwoofer control cable, (1) One DataLink cable (for strapping two identical Anarchy Class D amps together) and (4) Four Mounting screws Authorized Dealer