Kramer VM-4H2 1:4 HDMI Distribution Amplifier VM-4H2 B&H Photo
Vanco International | HDMI® 1x4 4K2K Splitter
BZB-SW-41A 4x1 4K UHD Ultra Slim HDMI Switcher with IR Remote Control
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Full HD HDMI Splitter 1x4 4 Port 1 in 4 out Hub Repeater Amplifier v1.4 3D 1080p - Walmart.com
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4K HDMI 4-1 Switcher with HDR
Amazon.com: HDMI Splitter 1 in 4 Out, MT-ViKI 1x4 Power HDMI Splitter 4 Ports w/AC Adapter, 4Kx2K@30Hz 3D Full HD Distributor for PS4 Fire Stick HDTV : Electronics