Features: Single channel Full Range Class D amplifier Available in Black/Silver finishing Power Rating: 670 Watt @ 4 Ohm 80 dBA (DDSP) (ref: 1 Watt into 4 Ohm) Pro 1|10 – Sn Ratio: (AP filter 10Hz / 22kHz – DDSP – 600Wrms ref) 108 dB Specifications: Power Efficiency: >75% DC-DC Converter Typology/Conversion Frequency: Unregulated Push-Pull/50 kilz Supply Voltage Range Operation: 10V + 16V (Absolute Maximum)/11V + 14.4V (Recommended) Power-on/Power-off Voltage Threshold: 9V/7.5V Mute Delay Time: 4 sec. Standby Current: