Model Comparison
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“Prior to the BoxIO, you had to modify the electronics of other devices to create a color correction tool that could withstand the rigors of production work. With BoxIO, Flanders delivers beyond the highest bar of quality — not only integrating with their own software suite, but with LiveGrade, PreLight and those of the major post production houses. Whether it’s ITU-709, P3, or ACES — BoxIO handles the whole color pipeline, from camera to display, in feature film workflows demanding the highest color fidelity.”

Joshua Gollish, DIT

Advanced Color Management

BoxIO is an advanced color management device designed for both color critical post production environments and demanding on set color management applications.

BoxIO supports both 3D and 1D LUTs for unparalleled image control. BoxIO can be used for calibration, on set grading, and other LUT based operations.


Have a display that doesn't offer built-in 3D LUT based calibration? BoxIO interfaces directly with the industry's leading calibration software solutions for simple and accurate 3D LUT based display alignment.

Specially priced versions of CalMAN and LightSpace for FSI are available. BoxIO will also work with fully licensed versions of CalMAN Studio and LightSpace CMS.

Test Patch Generation

BoxIO is equipped with an integrated test pattern generator allowing for manual test patch generation from the BoxIO Utility or automated test pattern generation from calibration software like LightSpace or CalMAN. Perform 3D LUT based calibration quickly and easily with BoxIO, a probe, and LightSpace or CalMAN.

Direct Upload

Upload LUTs generated from LightSpace CMS and CalMAN software directly to BoxIO without exiting or running additional programs.

On Set Grading

BoxIO supports real-time LUT updates over IP allowing for direct integration with popular on set color management tools like Pomfort's LiveGrade Pro, QTAKE’s Grade module, Filmlight's Prelight, and FireFly Cinema's FireDay and FirePlay.


Camera Metadata

LiveGrade Pro 4.1 has the ability to read camera metadata from SDI signals connected to BoxIO. Compatible with ARRI, Panasonic, and Sony cameras.

Frame Capture

BoxIO supports frame capture over IP allowing select applications including FSI’s BoxIO Utility to grab reference still frames from incoming video signals.

Frame Callback

Frames captured in BoxIO's own .RAW format can be displayed using Frame Callback. This feature has many potential uses including review of reference stills in on set environments, display of complex test patterns, and preview of new looks on previously captured content. Frames can be loaded quickly from a connected computer or directly from 16 available memory slots on BoxIO for even faster frame recall.

IP Remote Utility

The IP Remote Utility provides useful toggles and controls for management of your BoxIO and can be used in conjunction with other applications from FSI’s software partners.

Quickly change mode and channel settings, load LUTs to BoxIO, toggle LUTs on and off instantly, update, manage BoxIO IP and WiFi settings, and capture frames at full resolution that can be saved instantly as a .JPG or .BMP


Waveform and Vectorscope transmitted directly from your BoxIO to your computer with no additional equipment needed. Simply connect your BoxIO and computer to the same network and use the IP Remote Utility. ScopeStream is also directly integrated in Pomfort’s LiveGrade Pro allowing you to view BoxIO generated Waveform and VectorScope without having to leave the application.

4K Signal Support

1 BoxIO:

Up to 4K@30P 4:2:2

2 BoxIO:

Up to 4K@60P 4:2:2

Up to 4K@30P 4:4:4


BoxIO comes equipped with 2 x 3Gbps SDI inputs, 2 x clean SDI loop throughs, 2 processed SDI outputs, and 1 mini-DisplayPort output. The mini-DisplayPort output mirrors the processed SDI output allowing for LUT application on mini-DisplayPort as well as SDI outputs.

BoxIO can be used with consumer 4K and HDTVs using SDI to HDMI adapters such as the BMD Micro Converter for HD signal formats and the AJA HI5-4K for 4K signal formats.

Clean loop through SDI outputs mean BoxIO isn't limited to being an "end of chain" device. Both clean and processed SDI outputs cleanly pass incoming ancillary data.

All inputs and outputs offer full 12bit signal support.

Communicate with external devices over LAN and ad hoc WiFi.

BoxIO features a 4pin mini-xlr connector supporting 12V to 18V power and draws less than 10W of power.

Single-Channel Mode

BoxIO can operate in a single-channel mode with a switched input. This allows a single-channel at a time to be outputted on the two processed SDI outputs so that your signal can be distributed to two locations from a single BoxIO. In single-channel mode BoxIO supports 33x33x33 size 3D LUTs.

Dual-Channel Mode

Two LUT Boxes In One.
BoxIO can apply two separate LUTs to two independent signals at the same time essentially operating as two LUT boxes in a single device. In dual-channel mode each channel supports 17x17x17 size 3D LUTs.


Store up to 16 33x33x33 size 3D LUTs and easily toggle between them.


Store up to 32 individual 17x17x17 size 3D LUTs (16 per channel) and easily toggle between them.

Channel Stacking

Internal Channel Stacking in dual-channel mode allows users to select Channel 2's output as the input for Channel 1. This capability has many potential applications including the ability to use a single device for both calibration and real-time look LUTs.

Use a single device for simultaneous use of Calibration and Look LUTs without having to rely on LUT concatenation while supporting both 1D and 3D LUTs at each step in the signal processing chain.*

*Channel Stacking requires firmware 0.1.26 or later and BoxIO Utility 0.17.1 or later.

Advanced LUT Processing Options

BoxIO has the unique ability to process 3D LUTs using your choice of trilinear or tetrahedral interpolation. Trilinear LUT interpolation is very common and having this option allows you to process LUTs as they will frequently be seen elsewhere. More advanced tetrahedral LUT interpolation, while not as ubiquitous, allows for a much higher degree of precision with better visual performance.

An effective way to understand the performance benefits of tetrahedral LUT interpolation is to compare the necessary average 3D LUT size for equivalent performance using each interpolation method.

Average 3D LUT Performance Equivalency Between Interpolation Methods
Interpolation Method Tetrahedral Trilinear
3D LUT Size 17x17x17 22x22x22 would be required
33x33x33 43x43x43 would be required


Trilinear Interpolation

Tetrahedral Interpolation

Compact And Silent

BoxIO’s fan-less all aluminum design is durable, quiet, and built for 24/7 operation.

Up to 4 BoxIO units can be mounted in a single RU with available rack mount.

Tech Specs

Supported SDI Bit Depth

Supported SDI input bit depth: 8bit / 10bit / 12bit
Supported SDI output bit depth: 8bit / 10bit / 12bit
Supported DisplayPort output bit depth: 8bit / 10bit / 12bit
Sampling formats supported: 4:4:4, 4:2:2, 4:2:0

Supported SDI Frame Rates and Resolutions

720p (60/59.94/50/30/29/25/24/23.98)
1080i (60/59.94/50)
1080p (60/59.94/50/30/29.97 25/PsF 24/PsF 23.98P/PsF)
2048x1080 (30p/PsF 29.97p/PsF 25p/PsF 24p/PsF 23.98p/PsF)

Additionally, the following formats can be sent over dual 3Gbps SDI:
3840x2160p (30/29.97/25/24/23.98)
4096x2160p (25/24/23.98)
Both 2 sample interleave and square division are supported

Supported DisplayPort Output Resolutions

1920x1080 and 1280x720

Supported LUT Formats

Single Channel: 33x33x33.cube
Dual Channel: 17x17x17.dat* or 17x17x17.cube
DL-SDI (ST-372M) 33x33x33.cube
BoxIO also supports 10 & 12bit 1D LUTs both before & after 3D LUT

Operating modes

Single input / single channel: 1 input, 2 outputs with same LUT
Single input / dual channel: 1 inputs, 2 outputs with different LUTs
Dual input / single channel: 2 inputs, 2 outputs with the same LUT
Dual input / dual channel: 2 inputs, 2 outputs each with their own LUT
Dual-Link SDI Input / Dual-Link SDI Output (ST-372M)


2x 12bit 3Gbps SDI


2x 12bit 3Gbps SDI
2x 12bit 3Gbps SDI Clean Loop Through
1x 12bit mini-DisplayPort
mini-DisplayPort is not suggested for use with HDMI displays
Ancillary data is passed on both processed and clean SDI outputs


Ethernet & Ad Hoc WiFi


4pin mini-XLR 12~18V
Approx. 7W power consumption


Weight: 2.2lbs (998g)
Dimensional Drawing

*.dat format supported is proprietary binary format, but free PC and Mac LUT conversion applications are available to convert from 33side cube to 17side .dat. Standard 17side cube may also be used.

4K support is for LUT application only. TPG and frame capture are limited to HD resolutions.