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 into one cable.  The 4x1 HDMI Switcher routes high definition video (in multiple resolutions up to 1080p) and digital audio from any one of the three sources to display unit.  Four inputs accommodate the simultaneous connection of up to four high definition video sources, such as satellite systems and HD DVD players.  The output sends the high definition audio/video signals to a high definition display.  

The HiFi switcher was developed to output maximum HDTV audio and combat low quality audio.  This new product not only meets the ideal image of the HDTV but also need of high def audio enthusiast.  The audio signal is separated from the HDMI interface then transmit to the amplifier by SPDIF or COAX(RCA) for superior quality.  The most ideal audio effect is here.