4KXUSB3 – 4K Ultra HD to USB 3.0 with HDMI loop and VISCA port – Available NOW!

4KXUSB3 HDMI to USB 3.0 Converter requires no drivers. It is the most reliable and convenient PC input to capture uncompressed video with audio from your HDMI equipment for recording, editing, videoconferencing and streaming applications. It is compatible with Windows, macOS and Linux operating systems.

  • HDMI capture to USB 3.0
  • HDMI loop output
  • VISCA port to control PTZ camera
  • Direct Show Compatible
  • Supports Ultra HD 4K, 1440p, 1080p, 1080i, 720p, 480p, and 576p video formats
  • Supports 1920x1200, 1280x1024, 1280x960, 1024x768, 800x600, 640x480 graphic formats
  • Up to Ultra HD 4K (3840/4096x2160) at 30 fps and 1080p at 60 fps
  • HDMI audio support - embedded audio in the HDMI signals are extracted and output as two-channel LPCM
  • Digital Fluid technology - Internal frame buffers maximize frame rate with any PC
  • Hardware-based color space and sampling conversion
  • Automatic scaling and frame rate conversion (UHD up-scaling not supported)
  • Customizable video processing functions
  • Image controls: Brightness, contrast, saturation and hue settings. These controls work on all formats below 4K but not 4K
  • Supports multiple devices on the same PC
  • Powered from USB 3.0 port
  • Compatible with Windows, Mac OSX, Linux and Android
  • A USB 3.0 cable is included

Quick Start Guide

HDMI Input

Connector 1 x HDMI 1.4a
Video Resolution 4K UHD (3840/4096x2160), 1440p, 1080p, 720p, 1080i, 480p, 576p, 1920x1200, 1280x1024, 1280x960,1280x800, 1024x768, 800x600, 640x480
Frame Rates 60, 59.94, 50, 30, 29.97, 25, 24, 23.98 Hz for all resolutions, except 4K = 30Hz max.
Color Space RGB, YCbCr, 4:4:4, and 4:2:2 (4K=RGB)
Sampling Rate 297 MHz
Embedded Audio Ch 1&2 48kHz LPCM
HDCP Copy Protection INOGENI will not decrypt BD/DVD movies, satellite/cable receivers or other encrypted sources.

HDMI Loop Output

Connector  1 x HDMI 1.4a
Video Resolution Same as HDMI input

USB 3.0 Output

Connector 1 x USB Type-C (USB 3.0)
Codec YUY2 4:2:2 and NV12/I420/YV12 4:2:0 for USB 3.0
MJPEG for USB 2.0
Video Scaler Automatic hardware based
Color Space Conversion Automatic hardware based
Sampling Conversion Automatic hardware based
Frame Rate Conversion Automatic hardware based
Audio 2-channel LPCM audio from HDMI and/or from Audio Jack

Audio Input

 Connector 1 x 3.5mm analog audio jack (MIC or LINE level)

Audio Output

 Connector 1 x 3.5mm analog audio jack (LINE level)

Audio Mixing

Mixing functionality HDMI audio and analog audio inputs are mixed over the USB input interface.
USB audio output and HDMI audio input are mixed over the analog audio output.
Use Control App in order to manage audio layout.

PTZ control

Connector 1 x Terminal block for VISCA control from UVC interface


Operating System NO driver installation necessary
Windows 7 and above (32/64-bit)
Mac OSX 10.10 and above
Linux (kernel v2.6.38) and above
Host Requirements USB 3.0
Motherboard Compatible with all motherboards. Intel, Renesas, ASMedia, and Fresco Logic
Cameras Supported Cameras and camcorders with an HDMI output
Software Compatibility UVC-compliant. Runs with all software compatible to DirectShow/MediaFoundation, V4L2, QuickTime and AVFoundation.
Note to VAR/INTEGRATORS – this data is organized by product and may be duplicated for inclusion in a design or bid specs. It does vary from converter to converter. If you would like the same data in a .doc or .txt format please let us know.
Dimensions & Weight 3.9” x 2.9” x 0.75” 140g
Operating Temperature 0° to 45° C (32° to 113° F)
Storage Temperature -40° to 105° C (-40° to 221° F)
Relative Humidity 0% to 90% non-condensing
USB Power 5V, 900mA
UPC Code 040232378935
Origin Canada
Warranty 2 years

Converters Comparison Table


Image VGA to USB3.0
Description HDMI to USB 3.0 converter w/loop HDMI to USB 3.0 converter  DVI to USB 3.0 converter SDI to USB3.0 converter VGA to USB 3.0 converter
Video Input HDMI 1.4
Up to 4K30
HDMI loop
HDMI 1.4
4K2USB3 : Up to 4K30 
HD2USB3 : Up to 1080p60
SDI loop
1080p60, CVBS
RGB, YCbCr, 4:4:4, and 4:2:2
Audio Input From HDMI link
CH1&2 48kHz LPCM
From SDI link
CH1&2 48kHz LPCM
From analog input
HDCP-Compliant The device is HDCP-compliant. It will not decrypt BD/DVD movies, satellite/cable receivers or other encrypted sources
Output Connector USB 3.0
USB 3.0
Uncompressed video
YUY2 - 4:2:2 8-bit
NV12/I420/YV12 - 4:2:0 12-bit
Uncompressed video
YUY2 - 4:2:2 8-bit
Video scaler  Automatic video scaler. 
Automatic color space, sampling and frame rate conversion
Operating systems  NO driver installation necessary! Windows 7 and above (32/64-bit)
macOS 10.10 and above
Linux (kernel v2.6.38) and above
Host requirements  USB 3.0 port
Intel Core i5 or equivalent
Graphic card with dedicated memory
Software Compatibility UVC-compliant. Runs with ALL software compatible to DirectShow, AV Foundation and V4L2.
Dimensions 3.9” x 2.9” x 0.75” 3.2” x 2.9” x 0.75”
 Weight 140g 120g 139g 126g
 Operating Temperature 0° to 45° C
32° to 113° F
Storage Temperature  -40° to 105° C
-40° to 221° F
Relative Humidity  0% to 90% non-condensing
Power  5V, 900mA 5V, 580mA 5V, 525mA 5V, 530mA 5V, 680mA
UPC Code  040232378935 4K: 040232164873
HD: 040232521003
040232090387 040232250538 040232250538
 Origin Designed and Built in CANADA
Warranty  2 years