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Small black rectangular HDMI to USB capture dongle with ports on both ends

Kirzi

Kirzi HDMI USB Video Capturing Device 1080P 4K Input

SKU CH-F1H2-8A1T0

Captures HDMI video up to 4K input and records at 1080P via USB 2.0 for streaming and recording

  • Camera ResolutionUp to 4K Video
  • Capture 4K input at 1080P for sharp recordings
  • 3840×2160 HDMI in, 1920×1080 USB out
  • Plug-and-play USB 2.0, no driver or power needed
  • Works with Windows, Mac OS X 10.9+, Linux, Android
  • Stream to OBS, Zoom, Twitch, YouTube, VLC, Potplayer

Plug-and-Play Capture Card

The Kirzi HDMI USB capturing device accepts 4K input and records or streams at 1080P over a USB 2.0 connection. It works with Windows 7 or later, macOS 10.9 or later, Linux and Android without installing drivers or using external power. Connect a DSLR, camcorder, action camera or game console to a computer or smartphone for live broadcasting, teaching recording or video conferencing.

Thermals and Power

Multi-layer circuit protection provides anti-static shielding and heat dissipation during continuous capture sessions. The unit draws all required power from the USB 2.0 port, so no separate adapter is needed and cable clutter stays minimal. Operation remains silent because there are no active cooling components. Power consumption stays within standard USB 2.0 limits while delivering uncompressed YUV or JPEG video and L-PCM stereo audio.

What the Bundle Changes

Immediate compatibility with OBS Studio, Zoom, Potplayer, Twitch, YouTube and VLC means streaming or recording starts as soon as the device is plugged in. UVC and UAC compliance lets the host system recognise the card as a standard webcam and microphone, removing the need for proprietary software. The compact form factor makes it practical for mobile setups, lecture halls or clinical imaging stations where space and setup time are limited.

Highlights

  • Capture 4K input at 1080P for sharp recordings
  • 3840×2160 HDMI in, 1920×1080 USB out
  • Plug-and-play USB 2.0, no driver or power needed
  • Works with Windows, Mac OS X 10.9+, Linux, Android
  • Stream to OBS, Zoom, Twitch, YouTube, VLC, Potplayer

Specifications

Camera ResolutionUp to 4K Video

Questions about this item

How do I install the Kirzi capture device, and what step do people often miss?

Plug the USB 2.0 connector into the computer and the HDMI source into the HDMI port; the step people miss is selecting the correct 1920x1080P capture resolution in OBS or Zoom instead of leaving it on the default 4K input setting.

What maintenance or replacement will this capture device need later?

No driver updates or firmware flashes are required; only the HDMI cable may need replacement if the AWG26 connection degrades from repeated plugging.

What limit appears first during a long streaming session?

The USB 2.0 bandwidth caps capture at 1920x1080P, so sustained 4K 3840x2160P input cannot be recorded at full resolution.

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