Product Description This HDMI audio converter can extract the audio signal embedded in HDMI sources and convert it to 3.5mm analog audio output and SPDIF output at the same time. The SPDIF output supports both 2 CH audio and 5.1 CH audio including Dolby Digital 5.1 CH and DTS 5.1 CH. The HDMI output supports 7.1 CH audio including Dolby Digital 7.1 CH and DTS 7.1 CH. Ultra-long distance transmission up to 40 meters (input + output), no signal loss. 99% no need external power supply, plug and play, more convenient, more environmentally friendly. HDMI resolutions: 4K x 2K, 24/50/60/1080P/1080i/720p/576p/576i/480p/480i Supported color formats: 24 bit/deep color 30 bit, 36 bit Max bandwidth: 225 MHz Max baud rate: 6.75 Gbps Max working current: 190 mA Audio and video can be converted from the HDMI output Pass: supports 7.1 channel output, the device reads the HDMI OUT audio signal directly 2CH: 2.1 stereo channel output 5.1CH: optical fiber 5.1 digital surround sound (DTS, Dolby, AC3) and other outputs; Supports 24bit / 192Khz audio sampling frequency Name: audio extractor Package Contents: 1 x Audio Converter 1 x Micro USB Cable Only the above package contents, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.