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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OREI 2x2 HDMI Matrix Switch – 8K HDMI 2.1, EDID, IR, VRR, FVA, ALLM, HDR10+ | 2x2 HDMI Matrix with Optical & 3.5mm Audio Out, 40Gbps, 8K60, 4K120, Dolby Vision, HDR10+, VRR, ALLM

OREI 2x2 HDMI Matrix Switch – 8K HDMI 2.1, EDID, IR, VRR, FVA, ALLM, HDR10+ | 2x2 HDMI Matrix with Optical & 3.5mm Audio Out, 40Gbps, 8K60, 4K120, Dolby Vision, HDR10+, VRR, ALLM

Product ID: 473028338

Details

Brand
OREI
Cable Type
Fiber Optic
Color
Red
Compatible Devices
Projector
Connector Type
HDMI

⚡40Gbps bandwidth for lag-free streaming

🎮VRR & ALLM for smooth gaming visuals

📺8K60 & 4K120 Ultra HD clarity

COP 661279

Duties & taxes included

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎬 Elevate your entertainment game with 8K clarity and pro-grade control!

NEXT LEVEL VISUALS - Experience stunning 8K60 and 4K120 resolutions with Dolby Vision & HDR10+ for cinema-grade picture quality.
GAMERS DREAM SETUP - Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) deliver buttery-smooth gameplay with zero lag.
AUDIOPHILE GRADE SOUND - Supports advanced audio formats including Dolby TrueHD, DTS-HD Master Audio, and DSD for immersive sound.
FUTURE PROOF CONNECTIVITY - 40Gbps HDMI 2.1 bandwidth ensures ultra-fast data transfer and compatibility with the latest devices.
SEAMLESS MULTI SOURCE CONTROL - 2x2 HDMI matrix lets you effortlessly switch between two inputs and outputs via IR remote—perfect for multitasking pros.

The OREI 2x2 HDMI Matrix Switch is a cutting-edge HDMI 2.1 device supporting up to 8K60 and 4K120 resolutions with HDR10+ and Dolby Vision. Featuring 2 inputs and 2 outputs, it offers seamless source switching via IR remote, advanced EDID management, and supports high-fidelity audio formats. With 40Gbps bandwidth, VRR, and ALLM, it’s designed for professionals and gamers seeking flawless audiovisual performance and future-proof connectivity.

Specifications

ASIN	B0BG3L9XCC
Best Sellers Rank	#179 in Audio & Video Selector Boxes
Brand	OREI
Cable Type	Fiber Optic
Color	Red
Compatible Devices	Projector, Television
Connector Type Used on Cable	HDMI
Customer Reviews	4.1 4.1 out of 5 stars (75)
Global Trade Identification Number	00850031132320
Item Weight	13.9 ounces
Manufacturer	OREI Products
Manufacturer Contact Information	[email protected]
Mfr Part Number	BK-202A
Model Number	BK-202A
Number of Items	1
Number of Packs	1
Number of Ports	3
Packer Contact Information	[email protected]
Power Source	AC adapter
UPC	850031132320
Unit Count	4 Count
Warranty Description	1 Year Warranty

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