Splits incoming HDMI audio signal to stereo audio and Toslink outputs, allowing you to connect to speakers and entertainment systems that do not have an HDMI connection Identifies and separates high quality audio track from an incoming HDMI signal and sends it to a 3.5mm stereo jack and Toslink S/PDIF port, allowing you to connect to speakers, AV receivers and entertainment systems that lack an HDMI connection Works with multi-channel HDMI embedded audio Supports PCM 2 / 5.1 / 7.1, Dolby 5.1 / 7.1, DTS 5.1 / 7.1 audio Supports audio extraction via stereo and Toslink Supported Optical Audio Formats: PCM 2-CH and Dolby 5.1 Supports ARC audio extraction via Toslink connection Wall-mountable metal housing allows easy installation in any environment and provides better RF shielding and heat dissipation for dependable performance and long life Plug and Play Installation - No driver or software installation required