【HDMI Audio Extractor】The HDMI audio extractor can extract audio from HDMI signal and transmit it to AV receiver through optical or coaxial or L/R or 3.5mm Cable.(Note: Devices do not support ARC and eARC.TV is not supported as the input source.) | 【EDID system】8 working modes, you can easily set the desired configuration with the red switch. You can automatically go through the algorithm to match the EDID data of the signal source and the display, or you can use the built-in fixed EDID data to ensure that it can be used properly. The device can control whether the HDMI output has sound or not. | 【4K Ultra-HD with HDMI 1.4V】HDMI audio splitter up to 10.2G bandwidth, support HDCP1.4,4K@60Hz(420) , 4K@30Hz RGB / YUV4:4:4 Ultra high definition image quality. The optical and coaxial output supports Dolby DTS 5.1. The 3.5mm and L/R output supports PCM2.0.( Please note：Some devices such as PS4,PS5 can only support up to 1080P. This audio splitter does not support 7.1 channels.) | 【Low Power Consumption】Easier to install,Smaller size. the hdmi audio converter does not require an external power supply when connecting to most source devices. If it does not work properly, please use a USB cable to connect to the USB port of another device or a USB adapter (such as a cell phone power adapter) | 【Wide Compatibility & Plug and Play】Suitable for various HDMI source devices such as Roku or Fire TV without dedicated audio output as well as Blu-ray/ DVD/ HD player, cable/satellite box, Amazon Fire TV, PS4,PS5, Xbox, PC/laptop etc.The product will only be replaced and not repaired within one year. If you have any questions during the use of the equipment, please contact us. Our technical team will give you technical support within 12 hours.