2 x 4 HDMI switch splitter can connect 2 HD signal sources to 4 HD display terminals. It can easily split 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 singal. 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. Specifications: HDMI version: HDMI 1.4b HDMI resolution: up to 3840*2160/ 30Hz Support video color format: 8/ 10/ 12 bit deep color Support audio format: DTS-HD/ Dolby-trueHD/ DTS/ Dolby-AC3/ DSD Max bandwidth: 300MHz Max baud rate: 3Gbps Input cable distance: (1080p resolution)≤15m, (4K resolution)≤8m 26AWG HDMI standard cable Output cable distance: (1080p resolution)≤15m,(4K resolution)≤8m 26AWG HDMI standard cable Max working current: 1000mA Power adapter format: Input: AC (50HZ, 60HZ) 100V-240V; Output: DC5V/ 2A Operating and Connecting: 1.Connect HDMI source device and HDMI Switch/ Splitter input with two cables. 2.Connect displayer and HDMI Switch/ Splitter output with four cables. 3.Connect power adapter to the HDMI Switch/ Splitter. The Package includes: 1.HDMI Switch/Splitter 2.IR Remote Control 3.5V DC Power