Power amplifier number of channels 2 rack height 2 ru dimensions 482 x 89 x 39 cm weight 12 kg features bridge mode ground lift limiter frequency response 5 50000 hz damping factor 400 distortion factor 005 power output at 4 ohms 450 power output at 8 ohms 300 power output 8 ohm bridged 900 watt pro kanal signal noise ratio 95 db cooling system fan