1X HDMI input and 2X HDMI output, can sync separate HDMI audio signal. Supports 1x SPDIF optical digital audio output, 2 channel RCA analog audio output Support HDMI input up to 1080P/60Hz, supports 3D (24/30fs) Support SPDIF digital audio format: Dolby digital (AC3), DTS, LPCM, and support 5.1CH Supports 3 modes of EDID management for audio formats, can switch among built-in EDID (2CH/5.1CH) and external EDID (TV). LED indication: when source or sink is working, LED relative to is light. SWITCH: Audio EDID mode switch. This switch allows users to select the source’s audio EDID. PASS: HDMI pass mode. Switch to PASS mode for the HDMI source to output audio per the EDID of connected TV or AV receiver supports up to LPCM 7.1 channels. 2CH: 2CH LPCM mode. Switch to 2CH mode for the HDMI source to output LPCM 2 channels audio per the built-in EDID. Then HDMI, SPDIF, RCA and headphones output stereo audio. 5.1CH: 5.1CH bitstream Mode. Switch to B5.1CH mode for the HDMI source to output bitstream audio per the built-in EDID. Then HDMI, SPDIF and RCA output 5.1CH audio, the headphone output audio comes from FL and FR channel Uses 24bit /192KHz DAC No loss of quality Installs in minutes Includes DC5V/1A power adapter