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Model Numbers:

K078C-006B (1x4) 

K078C-007B (1x8)

UltraAV

®

 HDMI Splitter and Distribution 

Amplifier

READ ME FIRST – SETUP INSTRUCTIONS

Thank you for purchasing the Accell UltraAV HDMI 

Distribution Amplifi

 er. This product is designed to provide 

an exceptional performance and value. Please review the 

manual before operating and retain for future reference. 

- CAUTION -

1. Ensure the unit has suf

 cient 

ventilation.  Do not cover 

ventilation openings. Do not install 

in a confi

 ned space. 

2. Do not operate near source 

of heat. Do not stack on top, 

underneath or between other heat 

generating unit/s including other 

amplifi

 ers.

3. Unplug power adapter if not 

used for an extended period. 
4. To prevent damage from power 

surges, the unit should be plugged 

into a surge protector or surge pro-

tected power source. 
5. Do not use near liquid or areas 

of heavy moisture.
6. Clean unit with a clean and dry 

cloth only.
7. This unit cannot be serviced in 

the 

 eld. Contact Accell if service is 

required. 
8. Do not open case, risk of shock - 

shock hazard. 
9. Do not modify power cord or use 

the product if the power cord is 

damaged.

Introduction

The UltraAV HDMI Distribution Amplifier (Splitter) accepts a signal from 

a single HDMI enabled audio/video source and splits the single input 

into 4 (1x4 Splitter) or into 8 (1x8 Splitter) HDMI outputs. The audio/

video signal is mirrored on up to 4 (1x4 Splitter) or 8 (1x8 Splitter) HDMI 

displays, monitors, projectors or TV’s.

Over-Current and Over-Voltage Protection

The circuit boards are equipped with both over-current and over-voltage 

protection and will automatically power down if encountered. The circuit 

boards will restore automatically once the excessive current or voltage 

has passed. 

Package Contents

● HDMI Distribution Amplifier (Splitter)     ● P

ower Adapter  

● Owner

’s Manual

specifications continued...

● Oper

ating temperature range: 5 to 131°F (-15 to 55°C)

● Oper

ating humidity range: 5% to 90% RH (no condensation)

  1x8 HDMI Distribution Amplifier (Splitter)

  Model: K078C-007B

Specifi

 cations

● Connect 1 HDMI Source to up to 8 HDMI Displ

ays

● Supports HD resolutions up to 1080P and 3D

● HDMI 1.4a, HDCP 1.2 compliant

● Input video signal: 5v p-p

, Input DDC signal: 5v p-p (TTL)

● Data tr

ansfer speed of 6.75Gbps (225MHz)

● Audio formats supported: 

DTS-HD 7.1, Dolby True-HD 7.1

● Deep color up to 36-bi

t

● Maximum input cable length: Up to 20m (24A

WG)

● Maximum output cable length: Up to 20m (24A

WG)

● Supports cascade up to 6 units (Silicon Image chipset) 

● R

ack shelf or surface mountable

● 5V DC, UL Listed power adapter

● Input AC: 50Hz to 60Hz, 100-240V

● Appro

ximate dimensions: 10.9”W x 1.1”H x 6.1”D 

(277W x 28H x 156D mm)

● Oper

ating temperature range: 5 to 131°F (-15 to 55°C)

● Oper

ating humidity range: 5% to 90% RH (no condensation)

1x4 HDMI Distribution Amplifier (Splitter)

Model: K078C-006B

Speci

 cations

● Connect 1 HDMI Source to up to 4 HDMI Displ

ays

● Supports HD resolutions up to 1080P and 3D

● HDMI 1.4a, HDCP 1.2 compliant

● Input video signal: 5v p-p

, Input DDC signal: 5v p-p (TTL)

● Data tr

ansfer speed of 6.75Gbps (225MHz)

● Audio formats supported: 

DTS-HD 7.1, Dolby True-HD 7.1

● Deep color up to 36-bi

t

● Maximum input cable length: Up to 20m (24A

WG)

● Maximum output cable length: Up to 20m (24A

WG)

● Supports cascade up to 3 units

 

● Shelf or surface mountabl

e

● 5V DC, UL Listed power adapter

● Input AC: 50Hz to 60Hz, 100-240V

● Appro

ximate dimensions: 10.9”W x 1.1”H x 6.1”D

277W x 28H x 156D mm

Cascading

The HDMI splitter can be cascaded (layered) to expand the number of 

supported displays. 

K078C-006B (1x4 Splitter) - Supports up to 3 layers. 

K078C-007B (1x8 Splitter) - Features a Silicon Image chipset supporting 

up to 6 layers.

To create a 2 layer cascade, two same distribution amplifiers must be 

used. Run an HDMI cable from an output on unit #1 to the input of unit 

#2. A 2 layer cascade of the 1x4 splitter will support up to 7 outputs. A 2 

layer 1x8 splitter cascade will support up to 15 outputs.

Setup

With the splitter power switch in the OFF position, connect an HDMI High 

Speed cable from the HDMI Output on the audio/video source to the 

HDMI Input 1 on the back of the splitter. 

Tips: Use the shortest length HDMI cables possible in each point 

in the installation. Use only High Quality and High Speed HDMI 

cables.

Next, connect an HDMI cable to the HDMI Output P

ort 1 on the splitter 

and then connect the other end to an HDMI Input Port on the display 

device. Similarly,

 using HDMI cables, connect the remaining HDMI Output 

Ports on the rear of the splitter to the HDMI Input ports of the other 

displays.

Connect the power adapter to the splitter. Plug the power adapter into a 

surge protected AC power outlet. T

urn ON the video source, and turn ON 

the displays. Turn the splitter’

s power switch to the ON position

.

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