This hdmi audio converter can extract the audio signal embedded in HDMI sources and convert it to 3.5 mm analog audio output and SPDIF output at the same time.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), no signal loss.99% do not need external power supply, plug and play, more convenient, more environmentally friendly.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, 2450601080P1080i720p576p576i480p480iSupported color formats: 24 bitdeep color 30 bit, 36 bitMax bandwidth: 225 MHzMax baud rate: 6.75 GbpsMax working current: 190 mAAudio and video can be converted from the HDMI outputPass: support 7.1 channel output, device read the HDMI OUT audio signal directly2CH: 2.1 stereo channel output5.1CH: optical fiber 5.1 digital surround audio (DTS, Dolby, AC3) and other outputs;Support 24bit 192Khz audio sampling rateName: audio extractorOutputs: RCAOutputs: 3.5 mmPCM Word Length: 16-bitInputs: HDMIInputs: USB Type-BPCM Word Length: 24-bitModel Number: HD360Input Format: DTSAC35.7.1DA Converter: EPcolour:BlackMaterial:metalsize:51 x 56 x 22mmPackage Contents:1 x audio converter1 x Optical audio Cable1 x 3.5mm to RAC audio Cable1 x micro-USB cableOnly the above package content, 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 +- 1-3cm.