Marshall VAC-23SHUC 3GSDI/HDMI Video to USB-C Adapter

The Marshall VAC-23SHUC advanced USB-C (USB3.0/2.0) adapter easily connects video and audio sources to a computer for live streaming, video conferencing, video production and recording. Simple to use plug-and-play design seamlessly integrates professional video sources to your choice of PCbased applications.

Select either an HDMI or SDI video source with the flip of a button. Active loop-through outputs keep sources available for other purposes such as feeding monitors, recorders, etc.

UVC protocol support allows the video application on the attached computer to control video format, frame rate and other settings independent of the original source format.

Setup couldn’t be easier. The VAC-23SHUC becomes fully functional within seconds after it is connected.

Powered by the USB port on the host computer, there are no power adapters to fiddle with.

Key Features

• 3G SDI Input with active loop-through output. Supports formats up to 1080p60
• HDMI 2.0 INPUT with active loop-through output. Supports formats up to 3840x2160p
• Stereo analog audio INPUT. Activates automatically when audio source is plugged in.
• Replaces existing audio track. (Does not add audio to HDMI when audio track is missing)
• USB 3.0 computer interface with UVC control and scaling (backwards compatible with USB 2.0)
• Efficient design - All power derived from USB port
• Plug-and-Play. Driver installation not required for most applications

Technical Specifications

Package Contents
(1) VAC-23SHUC Unit
(1) USB 3.0 “A - type” to “C - type” Cab
(2) Mounting brackets with 8 attachment screws
System Requirements
Host computer with recent operating system, such as Windows 10 or Mac OS X
Available USB 3.0 port (supports SD, HD & 4K up to 3840 x 2160 @ 30fps to host computer
Available USB 2.0 port (supports SD, HD up to 1280 x 720p @ 30fps to host computer)
HDMI Input and Output
HDMI Conforms to HDMI 2.0 standard
HDCP 1.4 and 2.2 compliant
Video Frame Rates from 23.98 ~ 60 fp
Video Formats from 480i/p, 576i/p to 4096x2160p (4K) at 30 fps
3GSDI/HDSDI Input & Loop Out
SMPTE 296M, 274M, 259M, 425M (3G Level A)
Video Frame Rates from 23.98 ~ 60 fps
Video Formats from 480i/p, 576i/p to 1920x1080p @ 50/59.94/60 fp
USB-C Output (USB 3.0) and Backwards Compatible to USB 2.0
Connected via USB-C with formats up to 3840x2160p (UHD) at 30 fps sent to host computer.
When connecting to a USB 2.0 port, we recommend 1280x720p or below
USB output format is independent of input video format and is controlled by the particular video application running on the host computer
Audio Input
All embedded audio channels (HDMI or SDI) are passed through to the matching output.
Only channels 1 & 2 are sent to the USB output.
External audio may be used to replace existing SDI or HDMI audio via the 3.5mm audio jack.
Audio cannot be inserted into HDMI sources that do not have an existing audio track.
Operating Temperature
0~40 Degrees C (32~104 Degrees F)
Power Rating
5 Volts 1.3 Amps powered via USB