The Io 4K Plus is a powerful device that allows you to capture and monitor content. The AJA device supports 4K, UltraHD, 12G/6G/3G/1.5G-SDI, Dual Link, HD-SDI and SD-SDI as well as UltraHD and HD over HDMI 2.0. HDR 10 and HLG is also supported over HDMI. Additionally, it provides two Thunderbolt 3 connections to connect Mac and PC workstations. 

At 4K resolutions, Io 4K Plus outputs an HD-SDI down-converted signal on a dedicated BNC connector. The HD signal can be used to output 4K projects directly to HD recorders or view 4K images. It features embedded 16-channel SDI and 8-channel HDMI audio, control through its free software AJA Control Room, and much more. 


  • Portable 4K/UltraHD and HD/SD capture and playback across Thunderbolt 3
  • Backward compatibility with existing Thunderbolt hosts
  • 12G/6G/3G/1.5G-SDI
  • HDMI 2.0 I/O for 4K, UltraHD, 2K, HD and SD with HFR support up to 60p at 4:2:2
  • Real-time 4K/UltraHD to 2K/HD down-conversion
  • 8-,10- and 12-bit 4:2:2 and 4:4:4 over 12G-SDI or HDMI 2.0 workflow support
  • Two Thunderbolt 3 ports allow easy daisy-chaining of up to six Thunderbolt devices
  • 16-channel embedded audio on SDI
  • Downstream keyer
  • Standard 12v 4-pin XLR for AC or battery power 
  • Adobe Premiere Pro, Apple Final Cut Pro X, Avid Media Composer, AJA Control Room compatible
  • RS-422 VTR control, Reference, LTC Input
  • Headphone jack 

No Film School's complete coverage of NAB 2018 is brought to you by AdoramaMy RØDE Reel, and Blackmagic Design.

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