Feature: 1. The converter is equipped with one HD Multimedia Interface input to one HD Multimedia Interface output (pass‑through mode), SPDIF (optical) digital audio output (2‑channel/5.1‑channel mode) and 3.5 mm stereo audio output (2‑channel mode): 3.5 mm to RCA stereo audio cable. 2. SPDIF and L/R audio support separate output to amplifier without connecting TV/monitor; input resolution is up to 4Kx2K, 1080P/60Hz, 3Dimension/24Hz. For some devices with low‑power HD Multimedia Interface ports, please use a mobile phone adapter to charge them (only USB cable is required). 3. The 3.5mm audio output only supports 2‑channel PCM stereo audio. SPDIF output supports 2‑channel PCM, 5.1‑channel Dolby Digital, DTS. The HD Multimedia Interface audio extractor will output Dolby True‑HD, DTS‑HD, AC3, DTS, DSD audio formats, but cannot decode these audio formats. 4. If your amplifier or speaker does not support the audio format mentioned in the selling point above, there will be no audio on the speaker or amplifier, so please set the audio format on the HD Multimedia Interface source to PCM/LPCM audio format. 5. Suitable for various HD Multimedia Interface source devices, such as equipments without dedicated audio output, and DVD/HD players, cable/satellite TV boxes, for PS game consoles, PC/laptops, HD cameras, HD digital cameras, etc. Specification: Item Type: HD Multimedia Interface Converter Material: Metal HD Multimedia Interface Resolution: 2160P/1080P/1080P/720P/576P/576P/480P 4K x 2K HD Multimedia Interface audio extractor can not only meet the ideal image of high-definition TV, but also meet the needs of extracting audio from HD Multimedia Interface sources. It can extract digital audio signals embedded in HD Multimedia Interface sources and convert them through 3.5 mm analog audio output and SPDIF output. SPDIF output supports 2 channel audio or 5.1 channel audio, including Dolby Digital 5.1 channel and DTS 5.1 channel.. Package List: 1 x Audio Extractor1 x USB Data Cable1 x Manual Note: 1. Dolby digital plus audio is not supported, Dolby digital audio are supported.2. For some devices with low‑power HD Multimedia Interface ports, please use a mobile phone adapter to charge them (only a USB cable is required).3. Gaming headsets that do not support copyrighted content.