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AJA Ki Pro Ultra Plus Multi-Channel HD Recorder and Player 4K/UltraHD/2K/HD

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The Ki Pro Ultra Plus is a Multi-Channel Apple ProRes recorder offers to 4-channels of simultaneous HD recording. In Single-Channel mode it captures 4K/UltraHD/2K/HD Apple ProRes® or Avid DNxHD® MXF. This recorder/player supports 3G-SDI, Fiber & HDMI 2.0.
Key Highlights
  • 4-channel simultaneous recording
  • 4K at 4096 x 2160p
  • 4K/UltraHD/2K/HD ProRes/Avid DNxHD MX


With the AJA Ki Pro Ultra Plus Mult-Channel HD Recorder and Player, you can record 1, 2, 3 or 4-Channels of HD up to 1080p 50/60 in Apple ProRes simultaneously with Ki Pro Ultra Plus. Simplify your multi-camera productions by running up to (4) cameras per Ki Pro Ultra Plus and save power, space, time and effort on set, in the studio and when setting up OB trucks.

Ki Pro Ultra Plus allows independent profile support per channel in Multi-Channel mode; select high resolution Apple ProRes HQ for high quality finishing and use a second input to record Apple ProRes (Proxy) for an efficient editing pipeline. 

Starting with input 1, add channels as needed in order when utilizing like raster size and frame rate, and record your HD Apple ProRes files on the same AJA Pak media*. Ki Pro Ultra Plus even allows rollover to a second Pak for hours of uninterrupted multi-channel recording.

NOTE: *Pak Media 1000 modules with an -R0 module designation and all Pak Media modules with -R1 designations supported for multi-channel recording.

ProRes Files

Multi-Channel recording with Ki Pro Ultra Plus provides individual, discrete recordings for each input that are time code accurate and ready to be imported directly into a multi-channel editing sequence. No additional conversion or software is required, just drag and drop the files directly from the Pak media into your edit. The clip naming convention is yours to customize to suit your needs, but each multi-channel file is always appended with .1, .2, .3 or .4, making it very easy to track assets in post. 

Continuous Recording

Losing one or even several feeds during a multi-channel shoot can cause major sync issues during the editing process that can be lengthy to resolve, if they can be resolved at all. But Ki Pro Ultra Plus is designed so that as soon as a loss in signal is detected on any of the inputs, a color bars frame with the legend Loss Of Signal is recorded until the input is restored or the shoot ends. In this way, all multi-channel clips have the same time code duration and will align perfectly within any NLE. The editor then just simply cuts away from any recording that lost signal, without any heavy lifting to insert frames, or adjust audio to compensate. This function works with each input to Ki Pro Ultra Plus and will even function in Rollover mode, meaning that a loss of signal that spans separate media will pose no issues in editing, the time code of each file recorded being equal.

Ki Protect Data Integrity

The Ki Pro Ultra Plus includes Ki Protect, a feature to help ensure data integrity if a media drive is accidentally removed or loses power during recording. The Ki Protect feature automatically pre-allocates recording space on the media drive for video, audio and timecode when the record button is pressed.

While recording, the file header is then continuously updated every time new data is written. That way, the only loss that should be incurred is the last few frames that were in transit to the media drive to be recorded when the operation was interrupted. Frames that are already recorded will be preserved and are recoverable, providing greater peace-of-mind on set and in the studio, essential for multi-channel recording.

HDMI 2.0 - One Cable, Multiple Formats

Full HDMI 2.0 support on Ki Pro Ultra Plus offers deep color support all the way up to 4:4:4 12-bit RGB, perfect for rich color capture from affordable HDMI cameras and beautiful playback on the latest HDMI 2.0 displays. 

A single cable can affordably transport both UltraHD or HD video and clean 24-bit 48hz 8-Channel audio to or from common HDMI 2.0 devices for a simple setup; perfect for independent producers, editors, ProAV, and anyone seeking to utilize the latest affordable capture and monitoring tools.

Workflows for Professionals

Next generation 4K/UltraHD 50/60p recording and playback are attainable all the way up to Apple ProRes HQ when using AJA Pak1000 SSD media with Ki Pro Ultra Plus.

4K/UltraHD is supported through 4x 3G-SDI, HDMI 2.0 or optional Fiber inputs and outputs.

Ki Pro Ultra Plus not only supports true 4K at 4096 x 2160p for digital cinema and high quality UltraHD for broadcast production, it also offers the color depth to match.

Any shoot or project benefits from the fabulously rich colors and smooth gradations across the luminance and chroma range that 12-bit makes possible with full 4:4:4 support including Apple ProRes 4444 XQ.

VFX work benefits from Ki Pro Ultra Plus' 12-bit support on 4x 3G-SDI input to captured Apple ProRes 444 files, resulting in clean green screen plates across the 4K/UltraHD/2K/HD raster landscape for easy and detailed postproduction manipulation. With full HDMI 2.0, you can monitor it all from 4:2:2 YCbCr to full 4:4:4 RGB in 12-bit. 

ProRes 422 and ProRes 444 Recording

Ki Pro Ultra Plus records 4K/UltraHD/2K/HD to six quality levels
of Apple ProRes® including Apple ProRes 4444 XQ. This lets you choose the balance of image fidelity and file size that’s right for each individual production as well as having the flexibility to record directly to native file formats that are understood by most major editing systems.

Next generation UltraHD 60p and 4K 60p recording is attainable all the way up to Apple ProRes HQ when using AJA Pak1000, or AJA Pak512-R1 and Pak256-R1 SSD media.

By utilizing Apple ProRes, your project will have the best image quailty available, with manageable and affordable file sizes. 

Avid DNxHD MXF Recording

Ki Pro Ultra Plus offers native Avid MXF support for HD workflows. Record and playback DNxHD files with an OP1a profile within an MXF container for DNxHD HQX (220x), DNxHD SQ (145) and DNxHD LB (36) codecs.

This provides a native MXF workflow for Avid pipelines, free of transcoding.

  • DNxHD HQX (220x)*
  • DNxHD SQ (145)*
  • DNxHD LB (36)**
    • (HD) 1080p 23.98, 24, 25, 29.97, 50, 59.94
    • (HD) 1080i 25, 29.97
    • (HD) 1080PsF 23.98, 24, 25, 29.97
    • (HD) 720p 50, 59.94

NOTE: * Avid DNxHD only supported for 1080 and 720 resolutions

NOTE: ** Avid DNxHD 36 only supported for 1080p

exFAT and HFS+ Support

Ki Pro Ultra Plus allows you to use the file system that suits your needs. Full flexibility is provided to format your recording media as either exFAT or HFS+ within Ki Pro Ultra Plus itself or from your desktop computer, ensuring wide OS compatability.

2SI - Two Sample Interleave

Ki Pro Ultra Plus supports both Square Division Quad Split format and Two Sample Interleave giving a wide number of options to both record and playback 4K and UltraHD.

Set up is easy, with Ki Pro Ultra Plus sensing the format being delivered in its Follow Input mode. Ki Pro Ultra Plus also allows you to select separate quad modes for both in and out, giving an additional conversion feature for when you need it.

Up to 64-Channels of Audio

Ki Pro Ultra Plus offers up to 16-Channels of audio support embedded over SDI or Fiber per input, bringing a total of 64 channels of high quality recording. Flexible routing options mean that 8-Channel only outputs like HDMI, Analog and Digital carry options for selecting the 8-Channel group required. Monitoring via the headphone jack on the front of the unit is split into easy 2-Channel groupings by input for on-set checks.

Closed Caption Support

If you need to record or playout video with Closed Captioning embedded, Ki Pro Ultra Plus is fully compatible with your needs.

Ki Pro Ultra Plus recognizes CEA-708 within incoming SDI Inputs and encodes the Closed Captioning to your Apple ProRes recorded file. Upon playback, you can utilize the Closed Captioning within a recorded file over Ki Pro Ultra Plus' 4 x 3G-SDI outputs.

AJA Pak SSD Storage Media

Ki Pro Ultra Plus captures directly to rugged and reliable AJA Pak SSD media. Pak media is available in a variety of capacities to best suit the demands of your production.

Pak1000 is the perfect companion for Ki Pro Ultra Plus offering 1TB of fast SSD media for up to 4K recording at 60p in ProRes HQ. Pak512-R1 and Pak256-R1 models offer equal performance in smaller capacities when needed, including AJA Pak 512GB or AJA Pak 256GB.

The twin media drive bays on the Ki Pro Ultra Plus allow extremely fast media changes and rollover recording even for multi-channel recording, which allows a recording to start on one media module and seamlessly continue onto the second module once the first has reached capacity.

Pak media may also be used with the optional Pak Dock which features USB3 and Thunderbolt™ connectors for fast data transfers from and to your desktop or laptop.


Pak-Adapt-eSATA (sold separately) is a Pak Media sized adapter with an eSATA connector that allows the user to attach a qualified RAID or single volume storage via an eSATA cable so that it may be used as a recordable drive. eSATA connectivity provides the bandwidth needed for 4K 422 HQ at up to 30fps. You can even connect two Pak-Adapt-eSATAs to the Ki Pro Ultra Plus for more flexibility in the field. 

NOTE: Multi-channel mode on Ki Pro Ultra Plus is not supported by Pak-Adapt-eSATA.

LCD with Intuitive UI Onscreen

Ki Pro Ultra Plus features a beautiful high resolution HD display for pristine monitoring of your material, and serves as your interface to Ki Pro's familiar and intuitive menu system. The detailed overlay UI includes onscreen keyboard functionality and a clear view of the powerful yet simple to operate UI, all pristinely presented on the 4.8" 720p LCD display.

The large LCD provides detailed playback and monitoring perfect for onset use, the O.B truck, helicopter or studio and it’s transparent menu overlays can be set at just the level the user prefers. Ki Pro Ultra Plus offers control over brightness of the display for flexible control to suit your working environment. 

Familiar Controls

Anyone familiar with the operation of a tape deck will feel immediately comfortable when working with Ki Pro Ultra Plus.

Just like a traditional tape deck, Ki Pro Ultra Plus features straightforward and dedicated transport buttons - record, play, stop, rewind, fast forward - making the device easy to operate with minimal training time.

The current status of the system and key configuration information is clearly displayed on the beautiful built-in high resolution LCD screen. Additional operational information can be found in the STATUS menu which can be accessed even when recording or playing back.

The Ki Pro Ultra Plus operating system offers users a logical menu structure that is easy to navigate with menu parameters presented in clear and understandable language. 

Dual Pak Media SSD Card Slots on the front of the unit allow you to view LED status indicators. The LCD display in the center includes easy-to-read menu overlays. The face also includes a Media Slot Indicator, VTR-style buttons (reverse/forward scan, play, stop, and record), the power on/off button, a headphone output jack and volume control knob plus Display/Status/Configuration/Media and a rotary selection knob.


The video and audio connections on the rear panel of the Ki Pro Ultra Plus offer next generation connectivity with 3G-SDI, Fiber and HDMI inputs and outputs, AES and analog XLR balanced audio, LTC, RS-422 and LAN. 

Fiber Connectivity

Ki Pro Ultra Plus' fully integrated fiber inputs and outputs means Ki Pro Ultra Plus can be integrated directly to a dedicated fiber network alongside many other fiber products. Fiber allows outgoing and incoming video signals to be transmited as far as 10km away. 

Optional Fiber SFP Modules Supported:

  • Dual LC 3G Fiber Tx SFP AJA – Part # FIBERLC-2-TX
  • Dual LC 3G Fiber Rx SFP AJA – Part # FIBERLC-2-RX

4K and HD Monitoring

Ki Pro Ultra Plus provides full resolution outputs for 4K, UltraHD and HD over 3G-SDI, FIber and HDMI, including the latest affordable UltraHD monitors using HDMI for on-set quality checks. An additional dedicated 2K and HD-SDI monitor output can be fed to any affordable and existing HD-SDI display. 

RS-422 Control

RS-422 control allows Ki Pro Ultra Plus to integrate easily with supported editing systems and external controllers allowing it to fulfill several of the functions of a traditional VTR. Supported NLEs can even perform assemble edits directly to the Ki Pro Ultra Plus . 

Remote Configuration and Operation

In a truck or a machine room, Ki Pro Ultra Plus is equipped for advanced remote control and configuration. With a standard Ethernet LAN connection to a host computer and any web browser, all Ki Pro Ultra Plus parameter settings, clip selection and transport controls can be controlled; no additional or special software installation is required on the host computer. Multiple Ki Pro Ultra Plus units can even be controlled from a single web interface making Ki Pro Ultra Plus an ideal solution for multi-camera recordings.

AJA Data Calc App

Calculate your storage needs before digitizing even begins and keep your team on track.
Gatekeeper certified for OS X.

NOTE: the AJA Data Rate Calculator is provided as part of the system installation for all KONA cards, Io Express, and the Io HD.

Download for Mac

Download for Windows

Download from iTunes

Download from GooglePlay


What's in the Box

  • Limited Warranty
  • AJA Ki Pro Ultra Plus Multi-Channel HD Recorder and Player 4K/UltraHD/2K/HD


Key Highlights

  • 4-channel simultaneous recording
  • 4K at 4096 x 2160p
  • 4K/UltraHD/2K/HD ProRes/Avid DNxHD MX
  • Dual SSD media slots
  • supports 3G-SDI, Fiber & HDMI 2.0


Output Connector/Port:
1/4" Balanced Plug - VIDEO OUTPUT DIGITAL: HDMI v2.0 4:4:4 RGB 8/10/12-bit (deep color), 4:2:2 YCbCr 8/10/12-bit, 4:2:0 YCbCr 8-bit
4 x 3G-SDI - VIDEO OUTPUT DIGITAL: Fiber LC* 3G-SDI, SMPTE-297, 10-bit *with optional SFP Modules
4 x BNC - VIDEO OUTPUT DIGITAL: 4K/UltraHD 4:2:2 or 4:4:4 (4 x BNC or Fiber LC*) *with optional SFP Modules
1 x HDMI - VIDEO OUTPUT DIGITAL: HDMI standard type A connector *with optional SFP Modules
1 x Headphone Jack
Input Connector/Port:
HDMI - HDMI 2.0 - 4:4:4 RGB 8/10/12-bit (deep color), 4:2:2 YCbCr 8/10/12-bit, 4:2:0 YCbCr 8-bit
4 x 3G-SDI - VIDEO INPUT DIGITAL - With Optional SFP Modules: Fiber LC, 3G-SDI, SMPTE-297, 10-bit
4 x 3G-SDI - VIDEO INPUT DIGITAL: SMPTE-292/296/424, 10-bit (12-bit input supported)
4 x BNC - VIDEO INPUT DIGITAL: Dual Link 4:2:2, 4:4:4 (2 x BNC or Fiber LC*) *With Optional SFP Modules

Inputs & Outputs

Video I/O:
Video Output - (UltraHD) 3840 x 2160PsF 23.98, 24, 25, 29.97* - Single Channel Mode. *Only 4 x 1.5G-SDI, 10-bit 4:2:2 YCbCr, Square Division
Audio I/O:
Audio Input - DIGITAL: 16-Channel, 24-bit SDI/Fiber embedded audio, 48 kHz sample rate, synchronous, 8-Channel, 24-bit HDMI embedded audio, 48 kHz sample rate, synchronous, 8-Channel, AES/EBU via (1/2 x DB-25 TASCAM pinout)
Audio Output - DIGITAL: 16-Channel, 24-bit SDI/Fiber embedded audio, 48 kHz sample rate, synchronous, 8-Channel, 24-bit HDMI embedded audio, 48 kHz sample rate, synchronous, 8-Channel, AES/EBU via (1/2 x DB-25 TASCAM pinout)


Recorder & Monitor:


Power Input:
DC - 12-18Vdc 4-pin XLR (chassis)
AC - 100-240 VAC 50/60 Hz (adapter)
Power Adapter:
The optional AJA Pak Media Adapter - enables use of external eSATA drives


Media Rec Options:
SSD - Recording Mode: Multi-channel HD Apple ProRes recording (Pak1000/Pak512 R1/Pak256 R1 only), Single channel 4K/UltraHD/2K/HD recording
Recorder Channel Count:
More than 3 Channels
Yes - One channel of 4K/UltraHD/2K/HD at a time


Recording Format:
Avid DNxHR HQX - Single Channel Mode (220x) *Avid DNxHD only supported for 1080 and 720 resolutions
Apple ProRes 422 Proxy - Multi-Channel Mode
Apple ProRes 4444 - Single Channel Mode, up to 30fps
MOV - Apple ProRes and AVID DNX MXF
Apple ProRes 442 HQ - Single Channel Mode
Apple ProRes 422 LT - Single Channel Mode
Apple ProRes 422 - Single Channel Mode
Apple ProRes 422 Proxy - Single Channel Mode
Avid DNxHD 145 - SQ Single Channel Mode. *Avid DNxHD only supported for 1080 and 720 resolutions
Avid DNxHD 36 - LB. Single Channel Mode. **Avid DNxHD 36 only supported for 1080p

Recording / Media

Media Type:
Slot Count:
Dual Slot - AJA Pak SSD media Pak256, Pak512, Pak1000, or with use of optional Adapter: Pak-Adapt-eSATA, Pak-Adapt-CFast


10 in
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10 in
6 lb
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