REI BK-104A User manual

8K HDMI
1x4 Splitter
USER MANUAL
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BK-104A

Table of
Contents
Introduction 04
Features 05
Package Contents 05
Specifications 06
Operation Controls and Functions 08
Application Example 10
Thank you for purchasing this product. For optimum performance and safety, please
read these instructions carefully before connecting, operating or adjusting this prod-
uct. Please keep this manual for future reference.
page 02
Thank you for purchasing this product
This product contains sensitive electrical components that may be damaged by
electrical spikes, surges, electric shock, lightning strikes, etc. Use of surge protection
systems is highly recommended in order to protect and extend the service life of
your equipment.
Surge protection device recommended

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Page
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below - www.orei.com/register
Technical Support
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page 03

This 8K HDMI 1x4 Splitter can distribute one HDMI source signal to any four dis-
play devices. It supports video resolution up to 8K@60Hz 4:2:0. It supports ad-
vanced EDID management and audio de-embedding function (output through
the optical and analog port). This multi-functional product can be widely applied
in scenarios of demon-stration, video conference, multi-media teaching and other
occassions requiring for big-screen demonstration.
page 04
Introduction

1. HDMI 2.1 and HDCP 2.3 compliant
2. Support 40Gbps video bandwidth
3. Support video resolution up to 8K@60Hz 4:2:0 10bit, 8K@30Hz 4:4:4
10bit, 4K@120Hz 4:4:4 10bit
4. VRR, FVA, ALLM supported
5. Support HDR, HDR10, HDR10+, Dolby Vision, HLG pass through
6. Support HDMI audio formats: LPCM, Dolby Digital/Plus/EX, Dolby True
HD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD
7. Built-in Equalizer, Retiming and Driver
8. Advanced EDID management
9. Support audio de-embedding function (output through the optical
and analog port)
10. Compact design for easy and flexible installation
Package Contents
1. 8K HDMI 1x4 Splitter 1pcs
2. 12V/2.5A Multinational Power Supply 1pcs
3. User Manual 1pcs
page 05
Features

Technical
HDMI Compliance HDMI 2.1
HDCP Compliance HDCP 2.3
Video Bandwidth 40Gbps
Video Resolution Up to 8K@60Hz 4:2:0 10bit, 8K@30Hz 4:4:4 10bit,
4K@120Hz 4:4:4 10bit
Color Depth 8-bit, 10-bit, 12-bit
Color Space RGB, YCbCr 4:4:4 / 4:2:2, YUV 4:2:0
HDR HDR, HDR10, HDR10+, Dolby Vision, HLG pass through
Audio Formats
HDMI input/output:
LPCM, Dolby Digital/Plus/EX, Dolby True HD, DTS, DTS-EX,
DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD
Auido de-embedding output:
Optical: LPCM 2/5.1 CH, Dolby Digital 2/5.1 CH, DTS 2/5.1 CH
Analog: PCM 2.0
ESD Protection Human body model — ±8kV (Air-gap discharge) &±4kV
(Contact discharge)
Connection
Input 1 × HDMI IN [Type A, 19-pin female]
Output 4 × HDMI OUT [Type A, 19-pin female]
1 × OPTICAL [S/PDIF]
1 × L/R [3.5mm Stereo Mini-jack]
Control 1 × SERVICE [Micro USB, Update port]
page 06
Specications

page 07
Specications
Mechanical
Housing Metal Enclosure
Silkscreen Color Black
Dimensions 212mm (W) × 94mm (D) × 23mm (H)
Weight 539 g
Operating Temperature 0°C ~ 40°C / 32°F ~ 104°F
Storage Temperature -20°C ~ 60°C / -4°F ~ 140°F
Relative Humidity 20~90% RH (Non-condensing)
Power Consumption (Max) 9W (Max)
Power Supply
Input: AC100 - 240V 50/60Hz
Output: DC 12V/2.5A
(US/EU standards, CE/FCC/UL certified)
Recommended HDMI Cable
Video Resolution 8K 4K60 4K24 1080P
HDMI Cable Type Ultra HDMI 2.1 HDMI 2.0 HDMI 1.4 HDMI 1.4
HDMI Cable Length
(HDMI IN / OUT)
3m/10ft 8m/26ft 12m/39ft 15m/49ft
The use of “Premium High Speed HDMI” cable is highly recommended.

Operation Controls
and Functions
page 08
No. Name Function Description
1. POWER LED When the device is powered on, the blue LED will be on.
2. IN LED
When the HDMI IN port connects an active source device,
the blue LED will be on.
3. OUT LED
(1~4)
When the HDMI OUT 1/2/3/4 port connects a display
device and outputs signal, the corresponding blue LED
will be on.
4. SERVICE Firmware update port.
5. IN port
HDMI signal input port, connecting to HDMI source device
such as DVD or PS5 with an HDMI cable.
Front Panel
Rear Panel
1
0
IN OPTICALL EDID 12V 2.5A
OUT 1 OUT 2 OUT 3 OUT 4
SERVICE
OUT
IN
234
1
1 2 34
8
67910
5
L/R

page 09
Operation Controls
and Functions
No. Name Function Description
6.
OUT port
(1~4)
HDMI signal output port, connecting to HDMI display
device such as TV or Monitor with an HDMI cable.
7. OPTICAL Optical fiber audio output port.
8. L/R Analog audio output port.
9. EDID DIP
switch
Use the DIP switch to set EDID.
111 - Copy OUT1 port sink EDID (as factory default)
110 - HDMI 1080p@60Hz, Audio 2ch PCM
101 - HDMI 4K@60Hz 4:4:4, Audio 2ch PCM, HDR
100 - HDMI 4K@60Hz 4:4:4, Audio 5.1ch PCM/DTS/DOLBY,
HDR
011 - HDMI 4K@60Hz 4:4:4,
Audio 7.1ch PCM/DTS/DOLBY/HD, HDR
010 - HDMI 8K@60Hz 4:2:0+8K@30Hz 4:4:4,
4K@120Hz 4:4:4, Audio 2ch PCM, HDR
001 - HDMI 8K@60Hz 4:2:0+8K@30Hz 4:4:4,
4K@120Hz 4:4:4, Audio 5.1ch PCM/DTS/DOLBY, HDR
000 - HDMI 8K@60Hz 4:2:0 + 8K@30Hz 4:4:4,
4K@120Hz 4:4:4, Audio 7.1ch PCM/DTS/DOLBY/HD,
HDR
10. Power port 12V/2.5A Power input port.

page 10
Application
Example
1
0
IN OPTICAL L/R EDID 12V 2.5A
OUT 1OUT 2OUT 3OUT 4
DVD or Blu-ray Player
Power Suppl
y
8K TV 1
2.0 Speakers
Audio Amplifier
8K TV 4

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8K HDMI 1x4 Splitter
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