AJA Io 4K I/O for Thunderbolt 2

AJA Io 4K I/O for Thunderbolt 2

AJA Io 4K I/O for Thunderbolt 2

B&H # AJIO4K MFR # IO-4K
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Product Highlights

  • Supports 4K via HDMI & Quad Link SDI
  • Simultaneous SDI and HDMI Outputs
  • Dual Thunderbolt 2 Ports
  • Real-Time 4K to HD Down-Conversion
  • 10-bit 4:2:2 and 4:4:4 Support
  • 16-Channel Embedded Audio on SDI
  • 8-Channel Embedded Audio on HDMI
  • DB-25 Analog Audio Output Connector
  • RS-422 VTR Control, Reference, LTC Input
  • Headphone Jack and Level Control
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AJA IO-4K overview

  • 1Description

The AJA Io 4K I/O for Thunderbolt 2 is a portable capture and output device that offers professional video and audio connectivity with support for 4K and UltraHD workflows. It handles a wide range of formats from SD to full 4K over both SDI and HDMI. Built around Thunderbolt 2 technology, the Io 4K allows even greater bandwidth between host computer systems and Thunderbolt devices. The dual Thunderbolt 2 ports allow you to daisy chain additional peripherals such as high resolution displays and high-capacity storage.

Featuring four 3G-SDI inputs and outputs, as well an HDMI 1.4 input and output, the Io 4K is capable of capturing and outputting 4K signals over quad link SDI or HDMI. It is also capable of handling UltraHD, 2K, HD, and SD resolutions. When working with 4K content, the Io 4K outputs an HD-SDI down-converted signal on a dedicated BNC connector. This HD signal can be used to output to HD recorders or monitors. Embedded 16-channel SDI and 8-channel HDMI audio are supported, as well as analog audio outputs via a standard DB-25 connection. Stereo monitoring is possible via two RCA outputs and a front panel headphone jack. A 4-pin XLR power input is available for powering the Io 4K with batteries or the included AC adapter.

Additional Features
  • 10-bit 4:2:2 and 4:4:4 workflow support
  • Backwards compatible with existing Thunderbolt hosts
  • Simultaneous SDI and HDMI outputs
  • RS-422 VTR control
  • Reference and LTC input/output
  • XLR 12V power for battery or AC use
  • Integrates with software such as Apple Final Cut Pro X, Adobe Creative Cloud, AJA Control Room, Telestream Wirecast 5, and more
In the Box
AJA Io 4K I/O for Thunderbolt 2
  • AC Adapter
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    AJA IO-4K specs

    Video Formats 4K:
    4096 x 2160p 23.98, 24, 25, 29.97, 30
    4096 x 2160PsF 23.98, 24, 25
    3840 x 2160p 23.98, 24, 25, 29.97, 30
    3840 x 2160PsF 23.98, 24, 25

    2K:
    2048 x 1080p 23.98, 24, 25, 29.97, 30, 50, 59.94, 60
    2048 x 1080PsF 23.98, 24, 25, 29.97, 30

    HD:
    1080p 23.98, 24, 25, 29.97, 30, 50, 59.94, 60
    1080PsF 23.98, 24, 25, 29.97, 30
    1080i 50, 59.94, 60
    720p 50, 59.94, 60

    SD:
    525i 29.97
    625i 25
    Video Inputs 4 x BNC, SD/HD/3G-SDI, SMPTE-259/292/296/424, 8 -or 10-bits
    • Single Link 4:2:2 or 4:4:4 (1 x BNC)
    • Dual Link HD 4:4:4 (2 x BNC)
    • 2K HSDL (High Speed Data Link) 4:4:4 (2 x BNC)
    • 4K/QuadHD 4:4:4 (4 x BNC)

    1 x HDMI 1.4
    • 30/36 bits/pixel, RGB or YUV, 2.25 Gbps
    • SD, HD, 1080p 50/60, 4K, 2K and stereoscopic HD support
    Video Output 4 x BNC, SD/HD/3G-SDI, SMPTE-259/292/296/424, 8 -or 10-bits
    • Single Link 4:2:2 or 4:4:4 (1 x BNC)
    • Dual Link HD 4:4:4 (2 x BNC)
    • 2K HSDL (High Speed Data Link) 4:4:4 (2 x BNC)
    • 4K/QuadHD 4:4:4 (4 x BNC)

    1 x HDMI 1.4
    • 30/36 bits/pixel, RGB or YUV, 2.25 Gbps
    • SD, HD, 1080p 50/60, 4K, 2K and stereoscopic HD support
    Audio Input 16-channel, 24-bit SDI embedded audio, 48 kHz sample rate, synchronous
    8-channel, 24-bit HDMI embedded audio, 48 kHz sample rate, synchronous
    Audio Output Digital:
    16-channel, 24-bit SDI embedded audio, 48 kHz sample rate, synchronous
    8-channel, 24-bit HDMI embedded audio, 48 kHz sample rate, synchronous

    Analog:
    8-channel, 24-bit D/A analog audio, 48 kHz sample rate, balanced (via 8 x XLR on DB-25 breakout cable)
    +24 dbu Full Scale Digital (0 dbFS) ±0.2 db 20 to 20 kHz Frequency Response
    Reference Input & Output Sync 1 x BNC LTC output
    1 x BNC assignable to reference video or LTC input

    Reference: Analog Color Black (1V) or Composite Sync (2 or 4V)
    Non-terminating
    Machine Control 1 x RS-422, Sony 9-pin protocol
    Interface 2 x Thunderbolt 2
    Power 1 x 4-pin XLR
    10 to 20 VDC, 30 to 60 W

    Please note: Nominal power is 30W. However, multiple connected Thunderbolt devices may place additional power demands, which could increase the power draw to 60W.
    Dimensions Not specified by manufacturer
    Weight Not specified by manufacturer
    Packaging Infovstsqbxzsyrxrcxwyqwavdxusycuaea
    Package Weight 5.25 lb
    Box Dimensions (LxWxH) 9.8 x 9.5 x 4.0"

    AJA IO-4K reviews

    Io 4K I/O for Thunderbolt 2 is rated 3.8 out of 5 by 6.
    Rated 5 out of 5 by from Perfect Product I bought the Io4k to use with Vmix and Im happy with my purchase. The system is robust and feels well built. I use it with a macboo pro 2011 running bootcamp.
    Date published: 2015-09-02
    Rated 5 out of 5 by from Reliable We use it with Avid system on HP820. There is any competition out in the market. Only solution that I can trust.
    Date published: 2014-09-28
    Rated 3 out of 5 by from I was expecting to have all in one devic Its steady, the primary reason why I aquired it was that I wanted to be able to select a one SDI input video and anothes SDI input's audio. I had to work it arround, the video is steady and no problem with it. AJA support were really good at trying to address the problem but the devic was not able to do what i waned. It is a great device thoug
    Date published: 2014-10-21
    Rated 4 out of 5 by from Great Video Quality, Good IN/Out Options Currently bought the IO 4K for handling Video assist and DIT for film production. Image Quality is superb. Cross conversion and downconversion using the Aja Control panel was seamless AJA Control Room great app to use for capturing with the IO 4K
    Date published: 2016-08-10
    Rated 1 out of 5 by from THe product was defective When I hooked up the Thunderbolt to the 4K monitor and MAC Computer it made a horrible mechanical noise. So I am sending it back to the manufacturer.
    Date published: 2017-05-09
    Rated 5 out of 5 by from Aja great products Aja always delivers a great dependable product
    Date published: 2018-04-08
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