Inogeni 4KXUSB3

4K Ultra HDMI to USB 3.0 Video Capture
Part #: 0615-0450    Mfr #: 4KXUSB3

Inogeni 4KXUSB3


Inogeni 4KXUSB3

4K Ultra HDMI to USB 3.0 Video Capture

The 4KXUSB3 HDMI to USB 3.0 Converter, with HDMI loop and VISCA port, 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.

4KXUSB3 Connectivity Diagram


  • 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


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 = 30 Hz 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)

Note that USB 2.0 is not supported using this device.

Codec YUY2 4:2:2 8-bit
NV12 4:2:0 12-bit
YV12 4:2:0 12-bit
I420 4:2:0 12-bit
4K formats can only be transferred into the 4:2:0 pixel formats
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 3.5 mm analog audio jack (MIC or LINE level)

Audio Output

Connector 1 x 3.5 mm 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.


Dimensions 3.9" x 2.9" x 0.75" (99.1 x 73.7 x 19.1 mm)
Weight 4.9 oz (140 g)
Operating Temperature 32° to 113° F (0° to 45° C)
Storage Temperature -40° to 221° F (-40° to 105° C)
Relative Humidity 0% to 90% non-condensing
USB Power 5 V, 900 mA
UPC Code 040232378935
Origin Canada
Warranty 2 years