Does anyone know which com port you are suppose to select when attempting to update?

It depends on your PC, when you select the correct one the currently installed firmware version number will display on the bottom of the updater app

How is the audio source chosen for the optical out?

The optical output extracts audio for whichever input you set for output 1.

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8K HDMI Matrix Switch 2 X 2 by OREI Switcher with Audio Extractor UltraHD Supports Upto 4K @ 120Hz IR EDID HDCP 2.3 - Remote Control (BK-202A)

8K HDMI Matrix Switch 2 X 2 by OREI Switcher with Audio Extractor UltraHD Supports Upto 4K @ 120Hz IR EDID HDCP 2.3 - Remote Control (BK-202A)

Product ID: 510831320

Details

Brand
Orei
Cable Type
HDMI
Colour
black
Compatible Devices
Blu-Ray Player
Connector Type
HDMI

🎧Optical & Analog audio extraction

🎮4K @ 120Hz for smooth gaming visuals

📺8K UltraHD resolution support

฿6699

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your entertainment with 8K precision and pro-grade control!

UNIVERSAL COMPATIBILITY - Works flawlessly with Windows, Mac, Linux, PS5, Xbox, Roku, and more—future-proof your setup.
VERSATILE AUDIO EXTRACTION - Extract audio via optical or analog outputs to elevate your home theater sound experience.
SEAMLESS 8 K MATRIX SWITCHING - Effortlessly toggle between 2 inputs and 2 outputs with crystal-clear 8K UHD clarity.
NEXT LEVEL GAMING STREAMING - Supports blazing-fast 4K at 120Hz refresh rate for ultra-smooth gameplay and streaming.
SMART REMOTE CONTROL EDID MANAGEMENT - Easily switch sources and optimize display settings with included IR remote and smart EDID tech.

The OREI BK-202A 8K HDMI Matrix Switcher delivers premium 8K UltraHD video with 2 inputs and 2 outputs, supporting up to 4K at 120Hz for ultra-smooth visuals. Featuring optical and analog audio extraction, smart EDID management, and broad compatibility with major OS and devices, it’s designed for seamless multi-source switching in professional and home entertainment setups. Includes IR remote and backed by a 1-year warranty.

Specifications

ASIN	B0BG3L9XCC
Best Sellers Rank	#59,490 in Electronics ( See Top 100 in Electronics ) #207 in HDMI Cables
Brand Name	Orei
Cable Type	HDMI
Color	black
Compatible Devices	Blu-Ray Player, Gaming Console, Projector
Connector Type Used on Cable	HDMI
Country of Origin	China
Customer Reviews	4.2 4.2 out of 5 stars (78)
Global Trade Identification Number	00850031132320
Item Weight Unit of Measure	13.9 Ounces
Manufacturer	OREI, [email protected]
Manufacturer Contact Information	[email protected]
Manufacturer Part Number	BK-202A
Model Number	BK-202A
Number of Items	1
Number of Ports	3
Packer Contact Information	[email protected] , 99250 12671
UPC	850031132320
Unit Count	1.00 Set
Warranty Description	1 year warranty

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