Usage Tips: This HDMI audio converter extracts the audio signal embedded in HDMI sources and converts it to 3.5 mm analog audio output and SPDIF output simultaneously. The SPDIF out supports both 2 CH audio and 5.1 CH audio, including Dolby Digital 5.1 CH and DTS 5.1 CH. The HDMI out 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), with no signal loss. 99% of setups do not require an external power supply; plug and play for added convenience and energy efficiency. Input ports: 1 x HDMI, 1 x Micro-USB power port, 3 x EDID Audio (pass, 2 CH, 5.1 CH) Output ports: 1 x HDMI, 1 x SPDIF (optical), 1 x 3.5 mm jack 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 passed through the HDMI output Pass: supports 7.1 channel output; device reads the HDMI OUT audio signal directly 2CH: 2.1 stereo channel output 5.1CH: optical fiber 5.1 digital surround audio (DTS, Dolby, AC3) and other outputs; supports 24bit / 192Khz audio sampling rate Name: Audio Extractor Outputs: RCA Outputs: 3.5 mm PCM Word Length: 16-bit, 24-bit Inputs: HDMI Inputs: USB Type-B Model Number: HD360 Input Format: DTS/AC3/5.1/7.1 D/A Converter: EP Color: Black Material: Metal Size: 51 x 56 x 22 mm Package Contents: 1 x Audio Converter 1 x Optical Audio Cable 1 x 3.5 mm to RCA Audio Cable 1 x Micro-USB Cable Only the above package content is included; other products are not included. Note: Lighting and display differences may cause slight variations in color between the item and the image. Measurement error allowed is +/- 1-3 cm.