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Marshall Electronics VAC-23SHU3 HDMI/SDI to USB Converter

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  • Converts HDMI / 3G-SDI to USB Output
  • HDMI 2.0 Input with Loop-Through Output
  • 3G-SDI Input with Loop-Through Output
  • USB 3.0 Interface with UVC Control

The Marshall Electronics VAC-23SHU3 HDMI/SDI to USB Converter is a USB 3.0 adapter designed to connect video and audio sources to a computer. The converter uses a plug-and-play interface which integrates video sources to the selected PC applications. You can select HDMI or SDI video sources via the flip switch and maintain their availability via the active loop-through for feeding monitors and recorders. The UVC protocol support allows the application to control the video format, frame rate, and additional settings without requiring the original source format to match.

3G-SDI Input

Features active loop-through output and supports up to 1080p 50/60 Hz

HDMI 2.0 Input

Features active loop-through output

USB 3.0 Interface

Features UVC control and scaling (backwards compatible with USB 2.0)


Driver installation not required for most applications

Varied Compatibility

Compatible with Zoom, Skype, OBS Studio, and similar applications

USB Powered

Allows for improved efficiency

In the Box
Marshall Electronics HDMI/SDI to USB Format Converter

USB Cable

2 x Mounting Brackets

4 x Attachment Screws
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More Information
Product ConditonNew
Video Input Connectors 1 x HDMI (HDMI 2.0) Female
1 x BNC (3G-SDI) Female
Input Video Format HDMI (8/10/12-Bit 4:4:4/4:2:2/4:2:0 RGB)
UHD 4K: 50/60 fps
SDI (10/12-Bit)
1080p: 50/60 fps
Input Audio Format S/PDIF: 44.1 kHz / 16-Bit
Video Output Connectors 1 x HDMI (HDMI 2.0) Female (Loop Output)
1 x BNC (3G-SDI) Female (Loop Output)
1 x USB Type-B
Video Standard Compliance SMPTE 259M/274M/296M/425M
HDCP Support Version 2.2
Other I/O 1 x USB Mini-B Firmware Input
Dimensions 5.17 x 3.98 x 1.09" / 13.14 x 10.1 x 2.77 cm
Weight 0.9 lb / 408 g
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to
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