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Quick-Start Guide

To view manuals, FAQs, videos, drivers, downloads, technical drawings, and more, visit www.startech.com/support.

Manual Revision: July 4, 2019

Product Diagram (HDBOOST4K2)

Front View

Rear View

Side View

HDMI® Signal Booster and Extender - 4K 60Hz

Component

Function 

1

HDMI Input Port

• Connect an 

HDMI Source Device

2

HDMI Output Port 

• Connect an 

HDMI Display Device

3

Micro USB Power Port

• Connect the 

Micro USB Cable

 to the 

HDMI 

Signal Booster and Extender

 and a 

USB 

Power Source

 when there is no signal 

or an intermittent signal on your 

HDMI 

Display Device

Requirements

For the latest requirements, please visit 

www.startech.com/HDBOOST4K2

• HDMI Source Device x 1
• HDMI Display Device x 1
• HDMI Cables x 2

Notes:

 It is recommended that you use 

Premium HDMI Cables

 when connecting 

Devices

 to the 

HDMI Signal Booster and Extender

.

To achieve a full 4K60Hz image, it is recommended that 

Premium HDMI Cables

 no 

longer than 7m on the 

HDMI Input

 and 7m on the 

HDMI Output

 ends are used.

• (Optional) USB Power Source x 1

Installation and Operation

1.  Ensure all of the 

Devices

 are powered 

Off

.

2.  Connect an 

HDMI Cable

 to the 

HDMI Output Port

 on the 

HDMI Source Device

 and 

to the 

HDMI Input Port

 on the 

HDMI Signal Booster and Extender

3.  Connect an 

HDMI Cable 

to the

 HDMI Output Port

 on the 

HDMI Signal Booster 

and Extender

 and to the 

HDMI Input Port 

on the 

HDMI Display Device

.

4.  Power 

On 

all of the 

Devices

.

2

3

1

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