Introduction:The HDMI matrix 4x2 can connect 4 HD signal sources to 2 HD display terminals with opticalFiber or stereo headphone output.The matrix allows four HDMI devices to be switched or splitEasily to two HDMI compatible monitors or projectors.And any output ports can reafizeIndependent audio output by optical fiber or stereo head phone. Our devices offer solutionsFor noise,space and security concerns,data center control,information distribution,conferenceRoom presentation,school and corporate training environments.Features:Support HDMI 1.4brHDCP2.2Support 3D video formatSupport highest resolution up to 3840*2160/30HZSupport 3.4Gbps 3 data rate and tmds clock up to 340MhzSupport deep color 8/10/12 bitSupport HDMI audio outputs,3.5mm earphone jack and optical output at same time4HDMI inputs switch and split to 2 HDMI displaysSupport LPCM/Dolby/DTS 5.1 audioSpecifications:HDMI versionHDM11.4bHDMI resolutionup to 3840*2160/30HZSupport video format8/10/12 bit deep colorSupport audio format: LPCM/DTS/Dolby-AC3Max bandwvidth340MHzMax baud rate3.4Gbps3Input cable distance10m AWG26 HDM11.4 standard cableOutput cable distance15m AWG26 HDM11/ standard cableHDMI Input: 4HDMI Output: 2Max working current: 600mAPower adapter format: Input:AC(50HZ.60HZ)100V-240VOutput:DC5V/1AOperating Temperature range: (-15 to+45C)Operating Humidity range5to 90%RH(No Condensation)DimensionLxWxH): about 170*56*24cm/66.93*22.05*9.45inWeight: about 0.175kgList:1*4K HDMI Matrix 4X21*IR Remote Control1*5V power adapter1*User ManualNotes:Please use the machine as the instruction listed to keep the long use lifetime of the machine.1. The machine should be placed at the spot far from the Damp,High-Temperature,Dusty,Erosive,and oxidative environment.2. AM parts will be free from the strong shake,hit,fall.3. Touching the power adaptor with the wet hands is prohibited.4. Please hold the power adaptor head and do not pull the power cord when cut off from the socket.5. Please turn the power off when the machine is not used for long time.6. Please do not open the cover and do not touch the inside parts.7. Please use the original factory power adapter. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store