1、Product Function: This product can change between 4 input signal source devices and allocate signals to 2 displays and any output. All ports can achieve independent sound output through optical SPDIF or 5mm/0.14in sound jack. 2、Product Configuration: The 4 port KVM matrix can manage 4 computers, equipped with two sets of keyboards, mice, and two monitors, and supports various devices with high definition multimedia interfaces. 3、High Resolution: This product supports high definition multimedia interface 0 and HDCP Its resolution is as high as 4K at 60Hz (RGB/YUV 4:4:4), let you enjoy a wonderful visual experience. 4、Applicable to: This dispenser has strong practicality and is suitable for entertainment centers, high definition TV set top boxes, DVD, projector factories, data center control, conference rooms, schools, and enterprise training environments. 5、Aluminum Alloy Material: The sound output switcher is made of aluminum alloy material, which is durable and not easily damaged, and can be used by users for a long time. 1 x Matrix Output Splitter1 x Remote Control1 x Instruction Manual1 x Adapter Item Type: Matrix output splitterWeight: 550.00g/ 19.40ozProduct Material: Aluminum alloyRemote Control Battery Type: 2 x AAA batteries (shipped without batteries)Power Input: AC 100V-240V, 50/60HzHigh Definition Multimedia Interface Resolution: Up to 3840 x 2160/30HzSupport Video Formats: 8,10,12 bit color depthSupport Sound Formats: LPCM, DTS, for Dolby AC3Maximum Bandwidth Transmission: 340MHz