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Now Shipping!... AJA Io 4K Plus

Now Shipping!... AJA Io 4K Plus


Io 4K Plus delivers tremendous performance and flexibility for your video and multi-channel audio I/O requirements. Ingest, monitor and output across 12G-SDI (which also supports 6G, 3G, and 1.5G-SDI) and HDMI 2.0 with embedded or analog audio. Power any creative project using a rich professional feature set with support for High Frame Rate, Deep Colour, and HDR workflows.

The power and performance of Thunderbolt 3 enables Io 4K Plus to transfer your video and audio whether SD, HD, 2K, UltraHD or full 4K over both SDI and HDMI and supports 4K frame rates up to 50p/60p to and from your Thunderbolt 3 equipped Mac or PC.

Io 4K Plus has dual Thunderbolt 3 ports enabling daisy chaining for configuration flexibility.

Io 4K Plus hides immense power under its elegant exterior. Aluminum construction provides a solid shield from the rigors of life in the field while looking beautiful in your edit suite. Io 4K Plus seamlessly integrates with leading production, post, mastering and streaming tools from Apple®, Adobe®, Avid®, Autodesk®, Telestream® and many more.

AJA Io 4K Plus is at £2,370 exc-vat



  • Portable 4K/UltraHD and HD/SD capture and playback across Thunderbolt 3
  • Backwards compatibility with existing Thunderbolt hosts
  • 12G/6G/3G/1.5G-SDI and 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; 8-channel embedded audio on HDMI; 4-channel analog audio in and out via XLR break-out
  • Downstream keyer
  • Standard 12v 4-pin XLR for AC or battery power 
  • Compatibility with creative applications including Adobe Premiere Pro, Apple Final Cut Pro X, Avid Media Composer, FilmLight products, AJA Control Room and more
  • RS-422 VTR control, Reference, LTC Input
  • Headphone jack and level control for mobile environments
  • 3-year international warranty

Find out more here!