Features: 1. This HDMI 4X2 KVM matrix, it can switch between 4 input signal source devices, and distribute the signal to 2 monitors (2 monitors can display the same picture or different pictures) and any one output All ports can realize independent audio output through Optical SPDIF or 3.5mm audio jack. 2. 4-port KVM matrix can manage 4 computers with two sets of keyboard, mouse and two monitors, and supports various devices with HDMI interfaces. 3. Support HDMI 2.0 and HDCP 2.2. The resolution is up to 4K @ 60Hz (RGB/YUV 4:4:4), allowing you to enjoy a fantastic visual feast. 4. Equipped with 4 USB cables, to solve your troubles of buying USB cables, support 3 switching modes, button switching, remote control switching, keyboard switching. 5. This HDMI 4X2 KVM matrix is suitable for entertainment centers, retail and websites, high-definition TV set-top boxes, DVDs, projector factories, data center control, information distribution, meeting rooms, schools and corporate training environments. How to use HDMI KVM matrix? 1. Simultaneously connect HDMI IN1/2/3/4 and USB IN1/2/3/4 to PC1/2/3/4; 2. Connect HDMI output to HDMI monitor/TV/display; 3. Connect the USB keyboard and mouse to the corresponding USB ports; Specification: HDMI version: HDMI2.0 (backward compatible). HDCP version: HDCP 2.2 (downward compatible). Resolution: up to 3840x2160/60Hz (RGB/YUV 4:4:4) (backward compatible). Support 3D video format. Support audio format: LPCM/DTS 5.1/Dolby. Support video format: 8/10/12 bit color depth. Maximum bandwidth transmission: 600MHz. Maximum transmission rate: 3x6Gbps. HDMI input ports: 4. HDMI output port: 2. Support 4K (input) to 2K (output) (Down scaler). Support 2 HDMI audio extraction, independent audio output through Optical SPDIF or 3.5mm audio jack. Four HDMI signal inputs are switched or distributed to two HDMI displays. Support 3 switching methods: key switch, remote control switch, keyboard switch. Package included: 1 x HDMI KVM matrix. 1 x Remote control. 1 x 5V Power Adapter. 4 x USB 2.0 A male to B male Cable. 1 x English manual