
BG-8K-AA
48Gbps eARC Audio to Amplifier Adapter
User Manual

BZBGEAR BG-8K-AA PRODUCT MANUAL
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 2

BZBGEAR BG-8K-AA PRODUCT MANUAL
Table of Contents
Statement 4
Safety Precaution 4
Surge protection device recommended 4
Introduction 5
Features 5
Packing List 5
Specifications 6
Operation Controls and Functions 8
Connection Diagram 10
Troubleshooting 11
Tech Support 12
Warranty 12
Mission Statement 13
Copyright 14
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 3

BZBGEAR BG-8K-AA PRODUCT MANUAL
Statement
Please read these instructions carefully before connecting, operating, or configuring this
product. Please save this manual for future reference.
Safety Precaution
● To prevent damaging this product, avoid heavy pressure, strong vibration, or immersion
during transportation, storage, and installation.
● The housing of this product is made of organic materials. Do not expose to any liquid,
gas, or solids which may corrode the shell.
● Do not expose the product to rain or moisture.
● To prevent the risk of electric shock, do not open the case. Installation and maintenance
should only be carried out by qualified technicians.
● Do not use the product beyond the specified temperature, humidity, or power supply
specifications.
● This product does not contain parts that can be maintained or repaired by users.
Damage caused by dismantling the product without authorization from BZBGEAR is not
covered under the warranty policy.
● Installation and use of this product must strictly comply with local electrical safety
standards.
Surge protection device recommended
This product contains sensitive electrical components that electrical spikes, surges, electric
shocks, lightning strikes, etc may damage. Use of surge protection systems is highly
recommended to protect and extend the life of your equipment.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 4

BZBGEAR BG-8K-AA PRODUCT MANUAL
Introduction
The BG-8K-AA 48Gbps HDMI Audio De-embedder is a versatile and high-performance
device designed to extract audio signals from HDMI sources or ARC-compatible TVs. It
outputs both analog stereo and digital S/PDIF audio while providing a buffered HDMI video
output. With support for the latest HDMI 2.1 and HDCP 2.3 standards, this de-embedder
offers exceptional video quality and comprehensive audio pass-through capabilities, making
it an ideal solution for advanced home theater setups and professional AV installations.
Features
● HDCP 2.3 compliant
● Support 48Gbps FRL and 18Gbps TMDS video bandwidth, as specified in HDMI 2.1
● Support video resolution up to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit
● Support VRR, ALLM, QMS, QFT, SBTM, as specified in HDMI 2.1
● HDR, HDR 10, HDR 10+, Dolby Vision, HLG pass-through
● LPCM 7.1CH, Dolby TrueHD, Atmos and DTS-HD Master, DTS:X Audio
pass-through
● HDMI input audio or TV ARC/eARC audio de-embedded to HDMI audio output
● Support CEC control from TV to the source and amplifier
● Support CEC volume control from TV to the amplifier sound system
● Advanced EDID management
● Compact design for easy and flexible installation
Packing List
● 1 × 48Gbps HDMI eARC Audio to Amplifier
Adapter
● 1 × 5V/2A Multinational Power Supply
● 1 × User Manual
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 5

BZBGEAR BG-8K-AA PRODUCT MANUAL
Specifications
Technical
HDMI
Compliance
HDMI 2.1
HDCP
Compliance
HDCP 2.3
Video Bandwidth
48Gbps FRL and 18Gbps TMDS
Video Resolution
Up to 8K@60Hz 4:2:0 12bit, 4K@120Hz 4:4:4 12bit
Audio Latency
No Latency
Video Latency
No Latency
Color Depth
8/10/12bit
Color Space
RGB_4:4:4, YCbCr_4:4:4, YCbCr_4:2:2, YCbCr_4:2:0
Audio Formats
HDMI IN/OUT:
LPCM, Dolby Digital/Plus/EX, Dolby True HD, Dolby Atmos, DTS, DSD, DTS-EX,
DTS-96/24, DTS High Res, DTS-HD Master Audio, DTS:X
HDMI AUDIO OUT:
LPCM, Dolby
Digital/Plus/EX,
Dolby True HD,
Dolby Atmos,
DTS, DSD,
DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DTS:X
HDR
HDR, HDR10, HDR10+, Dolby Vision, HLG
ESD Protection
IEC 61000-4-2: ±8kV (Air-gap discharge) & ±4kV (Contact discharge)
Connection
Input
1 × Source IN [HDMI Type A, 19-pin female]
Output
1 × TV(eARC) OUT [HDMI Type A, 19-pin female] 1 × Amp AUDIO OUT
[HDMI Type A, 19-pin female]
Control
1 × SERVICE [USB Type C, Update port]
Mechanical
Housing
Metal Enclosure
Color
Black
Dimensions
3.7in x 2.7in x 0.71in [95mm [W] x 68mm [D] x 18mm [H]]
Weight
0.39 lbs [178g]
Power Supply
Input: AC 100-240V 50/60Hz, Output: DC 5V/2A (US/EU standards,
CE/FCC/UL certified)
Power
Consumption
4.5W (Max)
Operation
Temperature
32°F ~ 104°F / 0°C ~ 40°C
Storage
Temperature
-4°F ~ 140°F / -20°C ~ 60°C
Relative Humidity
20~90% RH (non-condensing)
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 6

BZBGEAR BG-8K-AA PRODUCT MANUAL
Recommended HDMI Cable
Video
Resolution
8K60
4K60
4K30
HDMI Cable
Length
(HDMI IN / OUT)
2m/6.6ft ~
3m/10ft (Ultra
HDMI 2.1)
5m/16ft
10m/33ft
The use of “Premium High Speed HDMI” cables is highly recommended.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 7

BZBGEAR BG-8K-AA PRODUCT MANUAL
Operation Controls and Functions
Front Panel
No.
Name
Function Description
1
Power LED
When the device is powered on, the red LED will be on.
2
IN LED
When the input signal is detected, the green LED will be on.
3
OUT LED
When the OUT port connects to a TV, the green LED will be on.
4
Amp LED
▪When the AUDIO OUT port connects to an amplifier, the green LED
will be on.
5
eARC LED
▪On: The ARC/eARC function is turned on. CEC communication and
ARC/eARC are working properly.
▪Flashing: The ARC/eARC function is turned on.
CEC communication and ARC/eARC are not working properly.
▪Off: The ARC/eARC function is turned off.
6
eARC button
Press this button to enable or disable the eARC function.
7
EDID DIP
switch
Use the DIP switch to set EDID.
[DIP]=111: Copy OUT port sink video and audio EDID
[DIP]=110: Copy AUDIO OUT port sink video and audio EDID
[DIP]=101: FRL12G_8K_HDR, 2.0CH [DIP]=100: FRL12G_8K_HDR,
5.1CH
[DIP]=011: FRL12G_8K_HDR, 7.1CH
[DIP]=010: FRL10G_8K_HDR, 2.0CH
[DIP]=001: FRL10G_8K_HDR, 5.1CH
[DIP]=000: FRL10G_8K_HDR, 7.1CH
8
SERVICE
Firmware update and debug port.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 8

BZBGEAR BG-8K-AA PRODUCT MANUAL
Rear Panel
No.
Name
Function Description
1
Source IN
port
HDMI signal input port, connected to HDMI source device
such
as DVD, PS5, or 8K computer host with an HDMI cable.
2
TV (eARC) OUT port
HDMI signal output port, connected to TV (ARC/eARC)
with an HDMI cable. It can be used as an ARC/eARC audio
channel when the ARC function is enabled.
3
Amp
AUDIO OUT
HDMI audio output port, connected to an amplifier with an
HDMI cable.
4
DC 5V
▪DC 5V/2A power input port.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 9

BZBGEAR BG-8K-AA PRODUCT MANUAL
Connection Diagram
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 10

BZBGEAR BG-8K-AA PRODUCT MANUAL
Troubleshooting
Problems
Causes
Solutions
No Power / All LED off
Power supply not connected,
connected fully, or wrong power
supply.
Check if the power supply is
connected correctly and the
output voltage value is within
recommended specifications.
No sound or sound issues
The HDMI connection is faulty,
the audio format is not
supported by the displays, or
the source player is set to
another port for audio output
Check if the HDMI cables are
connected correctly.
Check if the audio format is
supported by the display and
that a user has not changed the
supported audio format on the
player`s audio output. Ensure
output settings from the HDMI
source device as set correctly.
No picture or picture flickers
The HDMI cable may be faulty
or the category cable quality is
faulty.
Check if the HDMI
and category cable connections
are correct and undamaged.
Change to another good
working HDMI cable or category
cable (CAT6 or better cable is
recommended).
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 11

BZBGEAR BG-8K-AA PRODUCT MANUAL
Tech Support
Have technical questions? We may have answered them already!
Please visit BZBGEAR’s support page (bzbgear.com/support) for helpful information and
tips regarding our products. Here you will find our Knowledge Base
(bzbgear.com/knowledge-base) with detailed tutorials, quick start guides, and step-by-step
troubleshooting instructions. Or explore our YouTube channel, BZB TV
(youtube.com/c/BZBTVchannel), for help setting up, configuring, and other helpful how-to
videos about our gear.
Need more in-depth support? Connect with one of our technical specialists directly:
Phone
1.888.499.9906
Email
support@bzbgear.com
Live Chat
bzbgear.com
Warranty
BZBGEAR Pro AV products and cameras come with a three-year warranty. An extended
two-year warranty is available for our cameras upon registration for a total of five years.
For complete warranty information, please visit bzbgear.com/warranty.
For questions, please call 1.888.499.9906 or email support@bzbgear.com.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 12

BZBGEAR BG-8K-AA PRODUCT MANUAL
Mission Statement
BZBGEAR is a breakthrough manufacturer of high-quality, innovative audiovisual equipment
ranging from AVoIP, professional broadcasting, conferencing, home theater, to live
streaming solutions. We pride ourselves on unparalleled customer support and services.
Our team offers system design consultation, and highly reviewed technical support for all
the products in our catalog. BZBGEAR delivers quality products designed with users in
mind.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 13

BZBGEAR BG-8K-AA PRODUCT MANUAL
Copyright
All the contents in this manual and its copyright are owned by BZBGEAR. No one is allowed
to imitate, copy, or translate this manual without BZBGEAR’s permission. This manual
contains no guarantee, standpoint expression or other implies in any form. Product
specifications and information in this manual are for reference only and are subject to
change without notice.
All rights reserved. No reproducing is allowed without acknowledgment.
Address: 830 National Drive #140, Sacramento, CA 95834, USA · Tel: +1(888)499-9906 · Email: support@bzbgear.com 14
