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VAC-12HU3 Manual

www.marshall-usa.com

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Table of Contents

Table of Contents 

9. Tips and Fixes

5. Connections and Indicators

3. Package Contents

7. Specifications

2. Features

1. Introduction

Warranty

6. Setup and Quick Start

4. System Requirements

8. Block Diagram

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The Marshall VAC-12HU3 advanced USB 3.0 adapter easily connects video and audio sources to a 
computer for video conferencing, video production and recording.  Simple to use plug-and-play design 
seamlessly integrates professional video sources to your choice of PC-based applications.  

The HDMI 2.0 input accepts video formats up to UHD. Active loop-through output keeps the source 
available for other purposes such as feeding monitors, recorders, etc. 

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

Setup couldn’t be easier. The VAC-12HU3 becomes fully functional within seconds after it is connected. 
Powered by the USB 3.0 port on the host computer, there are no power adapters to fiddle with. 

•  HDMI 2.0 Input with active loop-through output. Supports formats up to UHD.

•  Stereo analog audio input. Activates automatically when audio source is plugged in.

•  USB 3.0 computer interface with UVC control and scaling (backwards compatible to USB 2.0)

•  Efficient design – All power derived from USB 3.0 port

•  Plug-and-Play. Driver installation not required for most applications

•  Compatible with popular applications such as: Zoom, Skype, OBS Studio and many more.

•  (1) VAC-12HU3 Unit

•  (1) USB 3.0 “A - type” to “B - type” Cable

•  (2) Mounting brackets with (4) attachment screws

•  Host computer with recent operating system, preferably Windows 10 or Mac OS X 

•  Available USB 3.0 port (supports up to 1080p60 to host computer) or,

•  Available USB 2.0 port (supports up to 720p60 to host computer)

1. Introduction

2. Features

3. Package Contents

4. System Requirements

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