USB Capture SDI Plus
USB Capture SDI Plus

One-channel 2K capture device

Part number: 32050

SKU: 320500000

  • Capture SD/HD/3G/ 2K SDI + embedded audio
  • Loop-through SD/HD/3G/2K SDI
  • Audio input via Line in
  • Extract SDI embedded audio and output via Line out

Interface

Specifications and Features

Interface

Input Interface & Loop-through Interface

  • One SD/HD/3G/2K SDI input + embedded audio
  • One SDI loop-through
  • Support input & loop-through resolution up to 2048×1080 pixels

For the best reliability and compatibility, it is recommended to connect the video source directly to the capture device without using additional AV converters.

Audio Input/Output Interface

  • 3.5mm audio jack for Line In/ Line Out Host Interface

Host Interface

  • USB 3.0, compatible with USB 2.0

OS

  • Windows, Linux, Mac, Chrome OS

Capture Format

  • Support capture resolutions up to 2048x1080
  • Support capture frame rates up to 120fps
  • Capture 2-channel embedded audio or analog audio via 3.5mm unbalanced Line In interface
  • Capture SDI signals transmitted a long distance away: up to 150m for 3G-SDI signals

Included Software

  • USB Capture Utility, Capture Express, etc.

Compatible Software

  • Zoom Rooms, Microsoft Teams Rooms, Skype for Business, Google Hangouts, GoToMeeting, VLC, OBS Studio, XSplit, etc.

Others

  • Auto detection of input signal format
  • Windows, Linux and Mac SDK
  • Continuously work for 24hx7
  • LED status indicator
  • 3-year warranty
  • Form factor: 110.7mm (L) x 56.8mm (W) x 17mm (H)
Full specifications and features
Firmware
Firmware
History version Arrow Arrow

10.3 MB | 07/24/2026

Descriptions:

Apply to: USB Capture HDMI Gen2 Rev D, USB Capture SDI Gen2 Rev B, USB Capture AIO Rev B, USB Capture HDMI Plus Rev C, USB Capture SDI Plus Rev B, USB Capture DVI Plus Rev B, USB Capture HDMI 4K Plus Rev C, USB Capture SDI 4K Plus Rev C

  1. Fixed the issue where Instance ID changes could cause capture software to require reconfiguration of the capture device after PC restart.
  2. Adapted for Zoom Rooms.

Apply to: USB Capture HDMI 4K Pro, USB Capture SDI 4K Pro

  1. Fixed the issue of fixed USB video capture video stuttering.
  2. Fixed the issue of fixed USB video capture frame drop issues.
  3. Fixed HDMI loop-out compatibility issues.
  4. Adapted for Zoom Rooms.
Tools
* USB Capture Utility is a software tool for USB Capture devices.
Tools
document document Download

V3.0.5.48315

History version Arrow Arrow

13.1 MB | 09/03/2024

Descriptions:
  1. Support customizing device name, audio control for USB Capture HDMI Gen 2 Rev D/USB Capture HDMI Plus Rev C/USB Capture AIO Rev B/USB Capture DVI Plus Rev B/USB Capture SDI 4K Plus Rev C/USB Capture SDI Plus Rev B/USB Capture SDI Gen 2 Rev B (The firmware must be upgraded to V2.6.10385 and above).
  2. Support customizing device name, audio control and viewing core temperature for for USB Capture HDMI 4K Plus Rev C (The firmware must be upgraded to V2.6.10385 and above).
  3. Support for USB Capture HDMI 4K Pro.
  4. Fix known issues.
* USB Capture Utility is a software tool for USB Capture devices.
Tools
document document Download

V3.0.5.48315

History version Arrow Arrow

12.9 MB | 09/03/2024

Descriptions:
  1. Support customizing device name, audio control for USB Capture HDMI Gen 2 Rev D/USB Capture HDMI Plus Rev C/USB Capture AIO Rev B/USB Capture DVI Plus Rev B/USB Capture SDI 4K Plus Rev C/USB Capture SDI Plus Rev B/USB Capture SDI Gen 2 Rev B (The firmware must be upgraded to V2.6.10385 and above).
  2. Support customizing device name, audio control and viewing core temperature for for USB Capture HDMI 4K Plus Rev C (The firmware must be upgraded to V2.6.10385 and above).
  3. Support for USB Capture HDMI 4K Pro.
  4. Fix known issues.
* USB Capture Utility is a software tool for USB Capture devices.
Tools
document document Download

V3.0.5.48315

History version Arrow Arrow

15.5 MB | 09/03/2024

Descriptions:
  1. Support customizing device name, audio control for USB Capture HDMI Gen 2 Rev D/USB Capture HDMI Plus Rev C/USB Capture AIO Rev B/USB Capture DVI Plus Rev B/USB Capture SDI 4K Plus Rev C/USB Capture SDI Plus Rev B/USB Capture SDI Gen 2 Rev B (The firmware must be upgraded to V2.6.10385 and above).
  2. Support customizing device name, audio control and viewing core temperature for for USB Capture HDMI 4K Plus Rev C (The firmware must be upgraded to V2.6.10385 and above).
  3. Support for USB Capture HDMI 4K Pro.
  4. Fix known issues.
* USB Capture Utility is a software tool for USB Capture devices.
Tools
document document Download

V3.0.5.59377

History version Arrow Arrow

20.1 MB | 08/27/2025

Descriptions:
  1. The Volume page supports USB Capture SDI 4K Pro.
  2. Update the image of USB Capture SDI 4K Pro in the Info page.
  3. Fix the issue where the audio volume adjustment value is inaccurate.
  4. Add some log information.
  5. Optimize functions related to upgrades.
  6. Add configurable delay for showing no signal status when input signal is disconnected.
  7. Optimize the scaling phenomenon that occurs when moving the app during dual-screen display.
  8. Change the default file name for EDID export.
  9. Fix the issue where the save does not take effect after changing the default resolution.
  10. Change the online upgrade to local upgrade.
Documents
Documents Quick Start Guide for USB Capture Family
English | 551 KB | 07/30/2026
Download
Documents Short FAQs about USB Capture Family
English | 191 KB | 07/29/2026
Download
Documents USB Capture Utility User Manual
English | 1.68 MB | 09/25/2024
Download
Documents User Manual for USB Capture Plus & Pro
English | 1.43 MB | 08/30/2024
Download
What's Included
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USB Capture SDI Plus x1

Part number: 32050

USB 3.0 Cable x1

Part number: ACC10001

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