Zettaguard True 4K 4x1 HDMI Switch 4 Port HDMI 2.0 Switcher 18Gbps 4K x 2K 3D 60Hz with Hdcp 2.2(4 in 1 Out)

This Panlong Digital Optical (SPDIF/ TOSLINK) Audio Switch allows user to conveniently switch among three digital optical TOSLINK sources. It utilizes integrated circuits to perform seamless and reliable switching flawlessly without degradation. It can be placed out of sight with the included IR receiver and controlled via the included remote. Other features include signal retiming support, Power-off memory, Over-voltage protection, and LED status indication. Great solution for home theater with multiple video/audio devices (with Optical out), but only one Optical input on the amplifier or receiver.