4x1 HDMI Switch 4K@30Hz, PiP, IR Remote Control, Auto-Switch, Control4 - J-Tech Digital
Amazon.com: 4K HDMI Multiviewer Switch 4x2 with PIP, PORTTA Quad Multi Viewer Seamless Switcher 4 in 2 Out with Toslink, 3.5mm Audio Output Support 4K 30Hz, 6 Viewing Modes, Downscaler for PS4/PC/DVD :
Amazon.com: DotStone HDMI Switch 4×1 with PIP Auto Switch Off/On HDMI Switcher Hub Port Switches 4 in 1 Out HDMI Switcher Selector with Remote Controller Support HDCP1.4 Full HD 4K 3D 1080P :
A-Neuvideo 2x1 HDMI Multi-Viewer with PIP ANI-PIP-LITE B&H Photo
4 Port HDMI 4X2 Screen Division Matrix Pip Pop Multi-viewer Seamless Picture in Pictures HDMI
Amazon.com: HDMI 2x1 Multi-Viewer with PIP,Supports Two High Definition Input Source Display on one Screen. As a Multi-Viewer, it can Display on one Screen in 4 Modes : Electronics