Upgrade your older home theater to multiple HDMI inputs while supporting the latest surround sound decoding formats. Many of us have purchased high end tube amplifiers or receivers and would like a way to update them to be utilized with the latest in HD displays. This product will add four HDMI inputs, which are decoded and outputted as discrete multichannel RCA audio to your beloved receiver. This product is easy to control and integrate with your current home theater due to the IR remote and RS-232 control. Also accepts two additional digital sources and one analog source. Features a trigger input and output to power on and off your receiver.