HDMI Audio Extractor: This audio extractor is designed to enhance your entertainment experience by converting an HDMI input into a 3.5mm HDMI SPDIF stereo audio output. Works with 3.5mm to RCA stereo audio cable and optical cable (not included with the product), and supports input resolutions up to 4K x 2K at 30 Hz/60 Hz, ensuring clear video output and amazing audio effects. Versatile audio output: Supports three different audio modes: PASS, 2.0 CH and 5.1 CH, giving you full control over audio settings to match your settings. The 2-channel and 5.1-channel 3.5mm audio outputs support 2-channel input PCM LPCM stereo audio, ideal for standard stereo systems or surround sound setups. The SPDIF optical interface supports 2CH Pcm, 5.1 CH DolBy DiGital and D-T-S, ensuring optimal compatibility with a variety of audio devices. Wide Device Compatibility: This HDMI audio extractor is designed for broad compatibility with various HDMI source devices. It works perfectly with Blu-ray players, DVD players, game consoles like PlayStation 4 and X-box One, as well as modern streaming devices like laptops and desktop computers. For some devices with low-power HDMI ports, connect a USB power supply (5V) or power adapter to power them. No additional software or drivers required, plug and play, seamless switching. EJOOY Supports Multiple Audio Formats: Compatible with audio formats such as DolBy True-HD, DolBy DiGital Plus, D TS-HD, A-C-3, D-T-S and D-S-D, whether you are watching movies, playing games or streaming music, it can deliver a rich and immersive soundscape. GRANDMOTHER. For the best experience, please check whether your amplifier or soundbar supports these formats and set the HDMI source audio output to PCM/LPCM. Smooth after-sales service: Each HDMI audio extractor is designed to give you a flawless experience, but if you run into any problems, don't worry, we offer reliable after-sales support. We recommend that you read the user manual carefully before setting it up to ensure you get the most out of your device.