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724-746-5500    |    blackbox.com

724-746-5500    |    blackbox.com

724-746-5500    |    blackbox.com

HDMI Splitter 4K User’s Manual

HDMI Splitter 4K User’s Manual

HDMI Splitter 4K User’s Manual

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2. Overview
2.1 Introduction

The 1 x 2 HDMI Splitter 4K distributes HDMI audio and video out 
to two displays. It supports up to 4K (UHD)  
resolutions (3840 x 2160). Advanced EDID functionality enables the 
splitter to read and/or copy EDID information automatically or man-
ually to compatible screens. The splitter can also be daisychained to 
support additional displays.

2.2 Features

• Duplicates one video input to multiple HDMI outputs.

•  Unique EDID Copy function provides maximum display  

compatibility.

•  Enable separately learn Audio and Video EDID for multimedia/

home theater system integration.

• Automatic power-save for when signal input is lost.

• Cascaded operation for increased signal outputs.

• Provides crisp clear video images.

•  Supports EDID and HDCP, and is Blu-ray ready for high definition 

display.

•  Supports HDMI display resolutions of up to UXGA (1600 x 1200), 

WUXGA (1920 x 1200), Full HD 1080p (1920 x 1080), UHD 
(3840 x 2160).

• Includes LED indicators for signal activity monitoring.

•  Enables accurate and reliable reproduction of digital video signals 

without attenuation and distortion.

• Installs in seconds.

2.3 What’s Included

• 1 x 2 HDMI Splitter 4K

•  Power adapter with necessary AC cord or plug-in power adapter

• This user’s manual

• (1) set of foot pads

Optional:

• Locking HDMI Cables

2.4 Hardware Description

     2        3    4       5

6

Figure 2-1. Top panel. 

5         4   3          2                    1

 

Figure 2-2. Back panel.

Table 2-1. Components on the splitter.

No. in Fig. 2-1 
and 2-2

Component

Description

1

Video input port  Connects to a video 

source

2

Video output 
port 

Connects to a monitor

3

Audio/Video 
EDID setting 
switch

Configure Audio/Video 
EDID Setting

4

EDID COPY 
Button

Copy the monitor’s EDID 
(See EDID Configuration)

5

Power supply

Apply power from the 
power supply to the unit

6

LED Indicators

(2) Video Output Status 
LEDs

NOTE:  The splitter is not 4K compatible when using Intel

®

 HD 4400 

based services.

3. Installation
3.1 Installing the Splitter

•  Before installation, power off all devices that will be  

connected to this system.

•  Make sure that all devices you will connect are properly grounded.

•  Place cables away from fluorescent lights, air conditioners, and 

machines that are likely to generate electrical noise.

You will need one HDMI male-to-male cable to connect a video 
source to the video splitter’s input port. Connect  
multiple monitors or TVs to the video splitter’s output ports.

Turn on your video source only after you’ve made all the connec-
tions.

NOTES:

1.  The splitter unit is HDCP compliant and required to use  

an HDCP compliant display when it is connecting to the HDCP 
video source.

2.  Each output port on the splitter must apply the same connection 

pattern when a DVI-to-HDMI (or HDMI-to-DVI) adapter is used 
for HDMI (or DVI) signal conversion between the splitter and the 
HDMI (or DVI) display.  
Mixed (HDMI and DVI) output connections may cause  
signal degradation.

3.2 EDID Configuration

Incorrect EDID communication between the display monitor and 
the PC graphics card or insufficient EDID data programmed by dis-
play manufacturers may cause problems. The splitter provides many 
ways to read EDID informationfrom the attached video display and 
then provides it at all times to the attached video source. If no new 
EDID information is available from a display, the splitter automati-
cally uses a default profile.

To efficiently achieve EDID communication when the video source 
is booting up, configure the EDID on the splitter before operation. 

3.2.1 Audio/Video EDID Setting Switch

Table 3-1. EDID switch settings.

Mode

Video

Audio

1

Auto

Auto

2

Auto 

Inventory  
(use copied EDID)

3

Inventory (use  
copied EDID)

Auto

4

Inventory (use  
copied EDID)

Inventory 
(use copied EDID)

Video Auto Mixing: Automatically optimize all valid video outputs 
for minimum requirement.

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