hdmihome 1080p HDMI Audio Extractor Splitter HDMI 1.4 Digital to Analog 3.5mm Out Audio Adapter HDMI Audio Extractor Splitter HDMI 1.4 Digital to Analog 3.5mm Out Audio Adapter This mini HDMI to HDMI + audio repeater (extractor) repeats the digital audio signal from the HDMI input and converts it to 2 channel analog stereo or 5.1 channel audio. The video audio signal is also passed through to HDMI output. The video audio signal is also passed through to HDMI output. User can extract 2CH audio signal from HDMI input for stereo / headphone application to connect AV receiver for 5.1CH audio setup.