Power amplifier series skytec spl total connected load 1 000 w number of channels 2 rack height 2 ru dimensions 48 x 9 x 26 cm weight 48 kg inputs 3 x rca connections usb display type led display frequency response 20 20000 hz distortion factor 05 power output at 4 ohms 500 power output at 8 ohms 350 signal noise ratio 80 db cooling system fan