Power amplifier output power 2x 120w at 4ohm sn ratio 98 db series skytec pro pa total connected load 120 w number of channels 2 rack height 2 ru dimensions 483 x 89 x 24 cm weight 52 kg outputs speakon inputs 1 x rca xlr frequency response 20 20000 hz distortion factor 05 power output at 4 ohms 120 signal noise ratio 95 db cooling system fan