With the HDMI distribution Amplifier, you can display identical image on four(4) displays from one(1) source equipment with HDMI port.
1x4 Port 4K HDMI Splitter (HDM4SP) - Space Television
J-Tech Digital TM 4 Ports HDMI 1x4 Powered Splitter Ver 1.3 Certified for Full HD 1080P with Deep Color & HD Audio and Max Bandwidth of 10.2Gbps - Blumaple LLP
HDMI Splitter Powered 1x4
Orei 4K 1x4 HDMI Splitter - 1 Port to 4 HDMI Display Duplicate/Mirror - Powered Splitter Ver 1.4 Certified for Full HD 1080P High Resolution & 3D
1X4 Hdmi Splitter, Male at Rs 375 in Mumbai
Tiscen 4K 1x4 HDMI Splitter with Power Supply, 1 in 4 Out Port Powered V1 4b 4K@60Hz Video Converter
Pi+ (PiPlus ) 1x4 HDMI Splitter
Black Box 1x4 HDMI Video Splitter with Audio (AVSP-HDMI1X4)
Leicke KanaaN 4K UHD 1x4 Port HDMI Splitter - 1 HDMI Input 4 HDMI