Atlona’s JunoX™ 451 (AT-JUNO-451) is a high-performance HDMI switcher for HDR formats. It has configurable I/O size of 4x1, allows 4K/UHD video @ 60 Hz with 4:4:4 chroma sampling, supports HDMI data rates up to 18 Gbps and it is HDCP 2.2 compliant. It is compatible with all 4K/UHD and HDR sources and displays for residential applications. It is also compatible with all color space formats, audio formats and video resolutions supported in the HDMI 2.0a specification. It has an automatic input switching and EDID management features. It supports the transmission of digital audio from a television back to the transmitter via its HDMI Audio Return Channel and further via HDMI or a TOSLINK digital audio output to an AV receiver. IR, RS-232, and Ethernet is used to control it. Added to JunoX 451 is a handheld IR remote control.