Atlona AT-JUNO-4514K HDR HDMI Switcher

The JunoX 451 is a 4x1 HDMI switcher that passes full-rate 4K: 4096x2160 or 3840x2160 at 60 Hz with 4:4:4 chroma, 18 Gbps of HDMI 2.0 bandwidth, HDCP 2.2, and the metadata pass-through that HDR10 and Dolby Vision need to actually engage on the display. Four sources go in, one display comes out, and the switcher does not choke on 12-bit color or Dolby Atmos and DTS:X bitstreams riding the same cable.

Auto-switching is the part installers care about: the 451 selects an input on both the 5 V hot plug detect line and active video detection, so a DVR or a DisplayPort adapter that parks HPD high without sending a picture will not hijack the output. Audio Return Channel brings the TV's own audio back down the HDMI cable to the TOSLINK optical output, feeding a soundbar or receiver without a second run. Control comes over Ethernet, RS-232, or IR, EDID is managed on-board, and firmware updates go in by USB, web GUI, or AMS. The half-rack 1RU chassis runs on an external 5 V supply and draws 6.6 W.