Extracts audio signal from HDMI and converts to SPDIF with Toslink & RCA digital audio or 3.5mm stereo audio. Push button switch allows the conversion to 2 analog channel or 5.1 digital channel audio. Features HDMI pass through to preserve the original audio and video source signal to the display. Works with computer, DVD, Blu-ray player, game console, headphone, A/V receiver and speaker. Ideal for home theater, training facilities and presentation room. Includes converter, 5v2Amp AC Power Adapter, (2) mounting flange, and (4) screws. (Connectors: Input: HDMI / Output: HDMI, Toslink, RCA, 3.5mm)