Specifications:

Power output: 625W (4Ω), 400W (8Ω)
    continuous average power @ 1kHz 0.1% THD
Input connections: ¼" jack / XLRF / XLRM
Output connections:  Neutrik Speakon 
Power connection: IEC 3 pin
Mains power: 230 VAC 50 Hz
Weight: 15kg 
Dimensions: 2u 19" std x 420mm deep
In-built protection circuitry.
RA Series amplifiers may be configured in stereo (two channel) mode or bridged mono mode.         

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C-Audio stereo power amplifier

The RA Series of Power Amplifiers from C Audio consists of four models in a uniform road-worthy package each incorporating the best of tried and trusted design principles and innovative features. The RA Series are sophisticated pieces of engineering capable of producing extremely high power levels.