will this work to connect external speakers to my Sony TV with digital optical audio output?

It should work But the output audio level is very low. I had to buy a separate amp to feed my remote audio devices. Also be aware that if you have the USB charging cable plugged in there is a low level humm from the converter, I suspect this is from the fact they have not got a very good filter in the power supply to filter the USB 5 volts. In short the unit works but not very well in my opinion.

Can this work with an old receiver that has cd digital output to work with a smart tv that has toslink?

No it coverts toslink to rca output. You would need one that converts rca (analog) input to toslink (optical audio) output.

how long is the optical cable?

I measured it at 38 to 39 inches.

What version usb connector is used for the 5V power supply? I would like to replace the wall wart in my application.

Hi no USB charger. It's a cell phone charger plug that goes into the device and a regular plug goes into the wall. You Could use a phone charger with a USB plug that will fit the device

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Digital to Analog Audio Converter, Hdiwousp 192 kHz DAC Digital Coaxial and Optical Toslink to Analog 3.5mm Jack and RCA (L/R) Stereo Audio Adapter with Optical Cable for HDTV Home Cinema, Aluminum

Product ID: 297002967

Details

Brand
Hdiwousp
Maximum Supply Voltage
5 volts
Minimum Supply Voltage
5 volts
Mounting Type
Coaxial
Number of Pins
3

🎧192 kHz high-res sampling

🔊Multi-output: RCA + 3.5mm

🔌Plug & Play, no drivers

RM125

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Description

🎶 Elevate your sound game—because your ears deserve the best!

ROBUST ALUMINUM BUILD - Sleek, durable design that complements your modern tech environment.
VERSATILE CONNECTIVITY - Supports coaxial and optical inputs with RCA and 3.5mm analog outputs for ultimate compatibility.
OPTIMIZED FOR PCM AUDIO - Ensures noise-free, electromagnetic interference-resistant transmission for pure sound clarity.
CRYSTAL CLEAR 192 K HZ AUDIO - Experience ultra-high fidelity sound conversion for your home cinema or gaming setup.
EFFORTLESS PLUG PLAY SETUP - No drivers needed—just connect and enjoy premium audio instantly.

The Hdiwousp Digital to Analog Audio Converter transforms digital coaxial or optical PCM audio signals into pristine analog stereo output via RCA and 3.5mm jacks. Supporting up to 192 kHz sampling rate and 24-bit bitstream, it delivers crystal-clear, noise-free sound ideal for HDTVs, gaming consoles, and home cinema systems. Its plug-and-play design with included optical cable and power adapter ensures quick setup, while the sturdy aluminum casing adds a premium touch to your audio gear.

Specifications

ASIN	B08V8KHWSF
Best Sellers Rank	#15,171 in Electronics ( See Top 100 in Electronics ) #32 in Digital-Analog Converters #37 in Signal Converters
Brand Name	Hdiwousp
Compatible Devices	PS3, PS4, Xbox, Blu-ray Player, HD DVD, Home Cinema Systems, AV Amps, Apple TV
Customer Reviews	4.2 4.2 out of 5 stars (908)
Interface	Coaxial
Item Dimensions L x W	2.32"L x 2.12"W
Manufacturer	Mingou
Material Type	Aluminum
Maximum Supply Voltage	5 volts
Minimum Supply Voltage	5 volts
Model	optical to rca converter -01
Mounting Type	Coaxial
Number of Channels	2
Number of Items	1
Number of Pins	3
Part Number	optical to rca converter -01
Unit Count	1 Count

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RM125

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered 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 Malaysia.

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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