This HDMI audio converter can extract the audio signal embedded in the HDMI source and convert it to a 3.5mm analog audio output and SPDIF output simultaneously. The SPDIF output supports 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) without signal loss. 99% no external power supply required, plug and play, more convenient and environmentally friendly. Input Ports: 1 x HDMI, 1 x Micro-USB Power Connector, 3 x EDID Audio (Bypass, 2 CH, 5.1 CH) Output Ports: 1 x HDMI, 1 x SPDIF (Optical), 1 x 3.5mm Jack. HDMI Resolution: 4K x 2K, 24/50/60/1080P/1080i/720p/576p/576i/480p/480i Supported Color Format: 24-bit/Deep Color 30-bit, 36-bit Maximum Bandwidth: 225 MHz Maximum Transmission Rate: 6.75 Gbps Maximum Operating Current: 190 mA Can convert audio and video from HDMI output Pass: Supports 7.1 channel output, the device directly reads the HDMI OUT audio signal 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 rate Name: Audio Extractor Output: RCA Output: 3.5mm PCM Word Length: 16 Bit Input: HDMI Input: USB Type-B PCM Word Length: 24 Bit Model: HD360 Input Format: DTS/AC3/5./7.1 D/A Converter: EP Color: Black Material: Metal Dimensions: 51 x 56 x 22 mm Package Contents: 1 x Audio Converter 1 x Optical Fiber Audio Cable 1 x 3.5mm to RAC Audio Cable 1 x Micro USB Cable Only the above package content, other products are not included. Note: Due to different shooting light and monitors, the color of the item in the picture may differ slightly from the actual item. The allowed measurement error is +/- 1-3 cm.