Orei HDA-934 User manual

18Gbps HDMI ARC/
eARC Audio Extractor
Switch
USER MANUAL
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HDA-934

Table of
Contents
Introduction 04
Features 05
Package Contents 05
Specifications 06
Operation Controls and Functions 07
IR Remote 09
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 03

The OREI HDA-934 Audio Extractor Switch features audio extraction for ARC/
eARC Soundbars and the ability to connect and switch between 3 sources to
display on 1 TV. It supports video resolution up to 4K@60Hz RGB/YCbCr 4:4:4
with 18Gbps video Bandwidth. Extract audio directly from the source device.
Designed for non ARC/eARC TVs. Connect ARC/eARC Soundbar to Input 1 on the
device and extract high quality audio directly from the source devices. Features
Automatic, and Manual switching through the front panel buttons or the includ-
ed IR remote. High quality audio up to Dolby Atmos and DTS:X.
page 04
Introduction

1. HDMI 2.0b, HDCP 2.2 / 1.x and DVI 1.0 compliant
2. Video resolution up to 4K@60Hz RGB/YCbCr 4:4:4
3. 18Gbps video bandwidth
4. 3D, HDR, HDR10, HDR10+, and Dolby Vision pass-through
5. Connect up to 3 input sources
6. Supported audio formats: LPCM, Dolby Digital/Plus/EX, Dolby True HD,
Dolby Atmos, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master
Audio, DSD
7. Features auto/manual switching mode for input source
8. Extract audio directly from the source to an ARC/eARC Soundbar
9. Advanced EDID management (AUTO/2.0CH/5.1CH/7.1CH selectable)
10. Flexible control via front panel buttons or IR remote control
page 05
Features & Package
Contents
1. HDA-934 Audio Extractor Switcher 1pcs
2. IR Remote 1pcs
3. 5V/1A Power Adapter 1pcs
4. User Manual 1pcs

page 06
Specications
Technical
HDMI Compliance HDMI 2.0b
HDCP Compliance HDCP 2.2 / 1.x
Video Bandwidth 18 Gbps
Video Resolution 4K@24/30/60Hz, 2K@24/30/60Hz, 1080p@60Hz, 720p, 480p,
etc.
Color Depth 8-bit, 10-bit, 12-bit (1080p@60Hz)
8-bit (4K@60Hz YUV4:4:4)
8-bit, 10-bit, 12-bit (4K@60Hz YCbCr 4:2:2 / 4:2:0)
Color Space RGB 4:4:4, YCbCr 4:4:4 / 4:2:2 / 4:2:0
HDMI Audio Formats LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos,
DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master
Audio, DSD
HDR HDR, HDR 10, HDR 10+ and Dolby vision
ESD Protection Human body model — ±8kV (Air-gap discharge) &±4kV (Con-
tact discharge)
Connection
Input 4×HDMI IN [Type A 19-pin female] (Input 1for eARC Sound-
bars)
Output 1×HDMI OUT [Type A 19-pin female]
Control 1×SERVICE [Micro USB port]
Mechanical
Housing Metal Enclosure
Silkscreen Color Black
Dimensions 180mm(W) × 84mm(L) × 15mm(H)
Weight 370g
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) 2W (Max)

Operation Controls
and Functions
page 07
Front Panel
2.0 5.1 7.1
EDID
eARCAUTO AUTO
IN 1 IN 2 IN 3 IN 4
AUTO/INPUT eARC ON/OFF
6
2 4 5
13
No. Name Function Description
1. AUTO LED When the auto switching mode for input source is enabled,
the AUTO LED will turn on.
2. IN 1/2/3/4 LED When the INPUT 1/2/3/4 port is connected to a source, the corre-
sponding IN 1/2/3/4 LED will turn on.
3. AUTO/INPUT
button
Press this button to switch between auto/manual switching
mode for input source. When you press and hold this button for 2
seconds, the device switches to the auto switching mode, and the
AUTO LED will turn on. Press and hold the button for 2 seconds
again, the device switches to the manual switching mode, then
you can tap this button to cycle through the inputs, and the
corresponding IN 1/2/3/4 LED will turn on.
Note: In auto switching mode, the device can detect signal source
automatically. When one or several input ports are connected to
source devices, the output port will output the signal from the
last connected input source.
4. EDID button
and status LED
Press the button to select EDID mode: AUTO/2.0/5.1/7.1 (AUTO
means using TV EDID), and the corresponding LED will turn on.
5. eARC button
and LED
Press the button to turn on/off ARC/eARC function. The eARC LED
will turn on when you turn on the ARC/eARC function.
6. IR IR receiver window. It only receives IR signals from the included
remote.

page 08
Operation Controls
and Functions
No. Name Function Description
1. INPUT 1/2/3/4
port
HDMI input ports, connect to HDMI source device such as DVD
Player, Game Console or Set-top Box with HDMI cable.
Note: When the ARC/eARC function is turned off, connect the
“INPUT 1(eARC)” port to HDMI source device to work as a signal
input port; When the ARC/eARC function is turned on, connect
the “INPUT 1(eARC)” port to a Soundbar or amplifier to output the
audio signal extracted from “INPUT 2/3/4” port or “OUTPUT(eARC)”
port. Please refer to “7. Application Example” for more details.
2. OUTPUT (eARC) HDMI output port. Connect an HDMI display device such as a TV
or Projector with HDMI cable.
3. SERVICE Firmware update port.
4. DC 5V DC 5V power input port.
Rear Panel
4
12
INPUT 2 INPUT 3 INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
3

page 09
IR Remote
ARC: Press this button to turn on/off ARC/eARC function.
When ARC/eARC function is turned on, the eARC LED on the
front panel will turn on
Auto/2.0ch/5.1ch/7.1ch: Press these buttons to select differ-
ent EDID settings, and the corresponding LED on the front
panel will be on.
Auto Source: Press this button to select auto switching or
manual switching mode.
In1/In2/In3/In4: In manual switching mode, press these but-
tons to select the input source.
AR C
Auto 2.0ch
5.1c h7 .1ch
In1
In3
In2
In4
Auto
Source

Application
Example
page 10
Situation 1
When the ARC/eARC function is turned off, the connection is as
following.
INPUT 2 INPUT 3 INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
HDTV
PC
DVD or Blu-ray Player
TV box
Power Supply
2.05.1 7.1
EDID
eARCAUTO AUTO
IN 1IN 2IN 3IN 4
AUTO/INPUT eARC ON/OFF
6
2 4 5
13
4
12
INPUT 2INPUT 3INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
3
The terms HDMI and HDMI High-Definition Multimedia interface, and the HDMI Logo
are trademarks or registered trademarks of HDMI Licensing LLC in the United States
and other countries.

page 11
Application
Example
Situation 2
When the ARC/eARC function is turned on, select the input port 1 by pressing
the “AUTO/INPUT” button on the front panel or the In1 button on the IR
remote, then connect the “INPUT 1(eARC)” port to a Soundbar to output the
audio signal returned from the “OUTPUT(eARC)” port, as shown in the figure
below. (For example, when user watches TV APP, the Switcher will pass-
through TV eARC/ARC to the Soundbar.)
Note: If the TV supports ARC/eARC function, the Soundbar will receive the
audio signal returned from the TV. If the TV does not support ARC/eARC the
audio will be extracted directly from the source devices.(Situation 3)
INPUT 2 INPUT 3 INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
HDTV
Soundbar
Power Supply
2.05.1 7.1
EDID
eARCAUTO AUTO
IN 1IN 2IN 3IN 4
AUTO/INPUT eARC ON/OFF
6
2 4 5
13
4
12
INPUT 2INPUT 3INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
3

Application
Example
page 12
Situation 3
When the ARC/eARC function is turned on, select the input port 2/3/4 by
pressing the “AUTO/INPUT” button on the front panel or the In2/3/4 button
on the IR remote, then connect the “INPUT 1(eARC)” port to a Soundbar to
output the audio signal extracted from “INPUTS 2/3/4” port, as shown below.
Note: Whether the TV supports ARC/eARC or not, the Soundbar will receive
the audio signal extracted from “INPUTS 2/3/4”.
INPUT 2 INPUT 3 INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
Soundbar
Power Supply
PC
DVD or Blu-ray Player
TV box
HDTV
2.05.1 7.1
EDID
eARCAUTO AUTO
IN 1IN 2IN 3IN 4
AUTO/INPUT eARC ON/OFF
6
2 4 5
13
4
12
INPUT 2INPUT 3INPUT 4 OUTPUT (eARC) DC 5V
INPUT 1(eARC) SERVICE
3

© 2023
18Gbps HDMI ARC/eARC Audio
Extractor Switch
www.orei.com
HDA-934