TECHUT 2 x 4 HDMI switch splitter can connect 2 HD signal sources to 4 HD display terminals. It can easily split the 2 HD signals generated by the 2 HD signal sources to 4 HD displayers or projectors. In addition, when connect it to a HDMI output cable, it can amplify the HDMI signal. The 2 signal sources can be switched freely. The HDMI splitter can support all HD multichannel audio formats including 720p, 1080i, 1080p,2160p. It also supports the 3.5 mm headphones audio output and SPDIF audio output. Features - Supports HDMI 1.4b Support 3D Support highest video resolution 3840*2160/30Hz Support 3Gbps data rate for tmds clock up to 300MHz Support 8/10/12bit deep color Support AWG26 HDMI standard cable: (1)when the resolution is 1080p and below, input up to 15 meters, output to 15 meters. (2)when the resolution is 4K, input up to 8 meters, output up to 8 meters. Support single high definition display for multiple sources, such as DVD Players and Satellite Receivers, Digital Projectors, A/V Receivers, Set Top Boxes. DC5V power supply Optical output support 5.1 audio Dimension (L x W x H) - 200x70x25 (mm) Weight - ~280 gms Operating and Connecting Connect HDMI source device and HDMI Switch/Splitter input with two cables Connect displayer and HDMI Switch/Splitter output with four cables Connect power adapter to the HDMI Switch/Splitter Channel switching operations: Press the “Select” button of the switcher for around 5 seconds, can switch between 5.1 and 2.1 audio channel. The Package includes: 1 x HDMI Switch/Splitter 1 x IR Remote Control 1 x 5V DC Power adapter 1 x User Manual