Zettaguard 4K x 2K 4 Port 4 x 1 HDMI Switch with PIP (Picture in Picture)
HDMI splitter vs. HDMI switch: They actually serve opposite purposes - CNET
Amazon.com: HDMI Switch 4K@60Hz【Upgraded】3 in 1 Out HDMI Splitter, 3 Port Hdmi Switcher Box Supports Full HD 4K 1080P 3D,Multi Port HDMI Switcher Selector 2.0 HDMI Switch for Xbox PS3 4 5
PKPOWER 3-Port HDMI Splitter Switch Cable Cord 2ft 3 In 1 out Auto High Speed Switcher Splitter Support 3D,1080P For HDMI TV, PS3, Xbox One,etc - Walmart.com
HDMI Splitter 2 in 8 out Support 4K 60Hz HDR HDCP 2.2 -TESmart