SCA131HD is a scaler designed for multi-signals processing.Signals of composite video,YPbPr/YcbCr,S -video,VGA and HDMI can be scaled to be high resolution VGA/DVI/HDMI format and switched out.New generation has added HDMI in/out,more suitable to the increasting AV market where high resolution signal prevails. Inputs: 1 channel of audio input on microphone connector in the front panel 8 chanels of audio via 8x5 pole outside lockable connector 2 channels of composite video on RCA connnectors 2 channels of component video on S-video 2 channels of component video on YPbPr/YcbCr 2channels of computer signal on VGA connectors 4 channels of HD singnal on HDMI connectors. Outputs: 1 channel of audio output with 2 RCA connector for stereo 1 channel of VGA output 1 channel of HDMI/DVI output ¡ô LCD Display: Real-time monitor of the operating status ¡ô Control mode: RS - 232, infrared, panel control ¡ô Compatible with composite video, S-video, component video, VGA, HDMI, and/or balanced/unbalanced stereo audio ¡ô Compatible with NTSC 3.58, NTSC 4.43, PAL and SECAM video ¡ô Resolution: support 480P, 720P, 1080i, 1080p, and XGA, SXGA, SXGA+, WXGA ¡ô Adjustable luminance, contrast and chroma etc. ¡ô Higher resolution output signal with integrated double liner ¡ô Adopting the gain-compensation and synchronization signal proofread technology ¡ô Power-fail protection ¡ô Rack-mountable enclosure ¡ô Dimension: 483L x 230W x 44H (mm) ¡ô Weight: 1.9kg.