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 Seamless Streaming

🎮VRR & ALLM for Lag-Free Gaming

📺8K60 & 4K120 Ultra HD Support

COP 655682

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎬 Elevate your entertainment setup to 8K brilliance — don’t just watch, experience!

NEXT LEVEL VISUALS - Experience stunning 8K60 and 4K120 resolutions with Dolby Vision and HDR10+ for cinema-quality clarity.
GAMERS DREAM SETUP - Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) deliver smooth, tear-free gaming experiences.
FUTURE PROOF CONNECTIVITY - 40Gbps HDMI 2.1 bandwidth ensures compatibility with the latest devices and high-speed data transfer.
ULTIMATE AUDIO FLEXIBILITY - Supports advanced audio formats including Dolby True HD, DTS-HD Master Audio, and DSD for immersive sound.
EFFORTLESS SOURCE SWITCHING - 2x2 HDMI matrix with IR remote control lets you toggle between devices without missing a beat.

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 switching via IR remote, supports a wide range of advanced audio formats, and delivers 40Gbps bandwidth for ultra-smooth video and audio performance. Ideal for home theaters, gaming setups, and professional AV environments, it includes smart EDID management, optical and 3.5mm audio outputs, and comes with a 1-year warranty.

Specifications

ASIN	B0BG3L9XCC
Audio Output Mode	Stereo, Dolby Digital, Dolby Digital Plus, Dolby True HD, DTS, DTS-EX, DTS-HD Master Audio, DSD
Best Sellers Rank	#353 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]
UPC	850031132320
Unit Count	4 Count
Warranty Description	1 Year Warranty

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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COP 655682

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews