INTRODUCTION It is known that the most benefit of the HDMI is to integrate the audio and video signals together. This integration makes all of us enjoy the high quality of the audio and video effect. Awfully the bad effect of the HDTV audio deprives the basic right of the enthusiasts. Fortunately, we develop this new product eventually, not only to meet the ideal image of the HDTV but also to meet the need of the enthusiasts requirement for audio. Because it separates the audio signal from the HDMI interface, then transmit to the amplifier by Stereo,Toslink or COAX (RCA). This Switcher has one input port on the front panel, which reduced the switcher to an ideal small size and provides convenience for users to connect portable devices.