•Frequency Response : 10 - 50 kHz (+0/-3 dB) •Harmonic Distortion : 0.05% (at 1kHz) •Impedance : 2-8 Ohms Stereo or 4-8 Ohms Mono •Input Level : 0.3 - 6.0V (RCA input) or 1.2 - 12.0V (High Level Input) •Low Boost : 0-10dB Variable (at 40Hz) •Operation : 2/1 channel configuration •Signal-to-Noise Ratio (dB) : 93 dBA •Tone Control(s) : Low Pass Filter: 50-300Hz, 12dB/Oct Subsonic filter: 6-70Hz, 12dB/Oct •Current Drain : At rated output: 50A (at 4 Ohms) Remote Input: 1 mA •Input Voltage : 10.5-16V Power Supply Voltage •Internal Power Supply : OTL Output Transformerless Circuit Pulse Power Supply •Output Power : Maximum Output: 440 Watts x2 or 1400 Watts x1 (at 4 Ohms) •Power Requirements : 12V DC Car Battery (Negative Ground) •Rated Output : (20Hz-20kHz, 1% THD+N, 14.4V)1 220 Watts x 2 RMS (4 Ohms) 270 Watts x 2 RMS (2 Ohms) 540 Watts x 1 RMS Mono (4 Ohms) •Audio In : RCA Pin Jacks, High Level Input Connector •Audio Out : Speaker terminals with screws •RCA Audio Input(s) : Pin Jacks: 0.3 - 6V