Features: 1. The 4 HDMI-compatible signal inputs can be switched or assigned to two HDMI-compatible signal terminals and output to the monitor. Any HDMI-compatible signal terminal can realize independent audio output through optical fiber or stereo headphones. 2. HDMI-compatible 1 output supports ARC function. You can send the TV sound back to the power amplifier audio through the HDMI-compatible cable. 3. Using the AWG26 HDMI-compatible standard cable, the input transmission distance can reach 10 meters, and the output transmission distance can reach 15 meters. 3. The optical fiber output audio format can be switched by remote control, and the HIFI audio format is determined by the film source. When restarting or resetting, the input signal HDMI-compatible 1 will be defaulted. 4. LED status indication, make the working status of the product clear at a glance, external 5V/2A power adapter, remote control, 3.5 audio cable to R/L one. The product has no signal loss and is easy to install. 5. After-sale Service: If you have any questions, please contact us immediately and we will help you solve it as soon as possible. Specifications: Support full HD 2160P, 1080P full 3D, 4K*2K Support 24-bit, 30-bit, 36-bit, 48-bit dark color Compatible with HDCP1.2 /1.4 Support HDMI-compatible-CEC / Support 36-bit truecolor 64-bit HDMI-compatible input supports any HDMI-compatible signal processing, output parameters: 3860*2160p HDCP 1.4 HDR 4K*2K Support Blu-ray DVD24/50/60fs/HD.DVD/xvYCC Support pointer format: for DTS.HD; for Dolby.trueHD; for LPCM7.l; for DTS; for DOLBY.AC3; for DSD Support signal timing rearrangement and automatic recovery recognition Include: 1 * Machine 1 * Remote Control ( without battery ) 1 * Charge Cable 1 * User Manual