PTN SC121D 12-Input scaler switcher with 2 outputs and built-in 2x20W@4? digital amplifier (or 2x10W@8?). Video inputs: 4 x HDMI; 4 x VGA; 1 x YPbPr, 2 x C-Video; 1 x S-Video. Video Outputs: 1 x HDMI; 1 x VGA. 3-level MIC supports various MICs with mixer & level control. Controllable via buttons, IR and RS232. 19" Rack compliant.