The SPDIF Output Both Can Support 2.0CH Audio or 5.1CH Audio Including Dolby Digitla 5.1CH and DTS 5.1CH. Output Port: 1x HDMI OUT, 1x SPDIF (Optical), 1x 3.5mm Jack. It Can Extract the Digital Audio Signal Embedded in HDMI Source and Convert It Through 3.5mm Analog Audio.
eBay