Works exactly as I needed! I recently upgraded to a new OLED TV with only an optical audio output, but I wanted to keep using my Bose Companion 3 speakers — they still sound fantastic and I like the aesthetic. This device made it easy, and it was smaller than I expected. I also appreciate that it comes with a USB-C plug (with a USB-A adapter), making it versatile. It’s simple, straightforward, and just works. Hoping it holds up over time, but so far, the quality has been great.
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Neoteck Optical to 3.5mm ConverterNeoteck Direct
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Neoteck 192kHz Digital to Analog Converter with Volume Adjustment,Optical to 3.5mm Converter with Built-in Amplifier Chipset DAC Converter Compatible for 3.5mm Headphones, Computer Speaker and etc.
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Purchase options and add-ons
- 【Optical to 3.5mm Converter】Neoteck digital to analog audio converter converts SPDIF to Analog 3.5mm audio signals effortlessly, transforming optical to RCA interfaces for seamless integration with stereo amplifiers.Elevate your audio experience and Experience superior audio conversion with our 192kHz digital to analog audio converter.
- 【3.5mm Volume Control】This DAC converter is equipmed with a built-in professional audio amplifier chip, which enhances the 3.5mm output level for pure, crystal-clear sound. The 3.5mm intuitive volume knob allows you to fine-tune the output volume to suit your preferences, ensuring an immersive and personalized listening experience.
- 【Easy to Install】Step 1: Use the optical cable to connect HDTV and other playback devices to the optical interface of DAC converter.(Please kindly set your HDTV into PCM.) Step 2: Use the 3.5mm audio cable to connect audio coverter to stereo audio system. Step 3: Use the USB cable to connect the power interface of Neoteck DAC converter to the standard DC 5V/1A power supply. (Or use the USB cable to connect to the USB interface of the TV to power the Neoteck DAC.)
- 【Supports 192kHz Sampling Rate】Neoteck SPDIF to AUX converter achieve impressive 192kHz/24-bit sound sampling rates, and the fiber input supports a range of sampling rates for optimal performance.This DAC audio converter unlock the full potential of your audio setup. Enjoy high-fidelity audio with 24-bit streams, enhancing your audio journey like never before.
- 【Plug and Play】192kHz optical to 3.5mm converter features instant recognition,which will automatically identify connected devices upon insertion. It’s works with HD TVs, wireless headphones for TV,3.5mm headphones,bose speakers and computer speakers.(Note: It is not compatible with 5.1 channel signals such as Dolby AC3, please set the audio output to PCM first).
- 【Compact and Portable】Neoteck digital to analog audio converter boasts a compact and lightweight design. Easily integrate it with fiber optic audio cables without the need for additional storage space.The built-in 3.5mm cable design enhances portability and simplifies installation, making it the perfect companion for your audio setup.
Product details
- Parcel Dimensions : 18.9 x 12 x 1.9 cm; 110 g
- Date First Available : Feb. 1 2024
- Manufacturer : Neoteck
- Place of Business : HK
- ASIN : B0CTQ6YW13
- Manufacturer reference : NTK199
- Country of origin : China
- 鶹 Rank: #11,765 in Electronics (See Top 100 in Electronics)
- #27 in DA Converters
- Customer Reviews:
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Neoteck Converter Series
Product Description






Upgrade Your Audio and Video Experience with Neoteck Converter!
![]() Optical to 3.5mm
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| ![]() Optical to RCA-MaleOutput
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| ![]() OpticaltoRCA-FemaleOutput
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| ![]() 1 in 2 Out Audio Splitter
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| |
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Customer Reviews
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4.3 out of 5 stars 239
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4.3 out of 5 stars 2,184
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4.3 out of 5 stars 2,184
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4.5 out of 5 stars 95
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Input
| Optical | Optical | Optical | Optical |
Output
| 3.5mm Jack | Male RCA | Female RCA | Optical |
Audio Format
| PCM | PCM | PCM | PCM2.0/ DTS/ Dolby-AC3 |
Compatible Devices
| 3.5mm Headphones,Speaker,etc | HD TV,DVD/Blu-Ray Player,etc | HD TV,DVD/Blu-Ray Player,etc | HDTV/Soundbar/Headphone,etc |
DC 5V Power Supply
| USB Power Cable(Included) | USB Power Cable(Included) | Type-C Power Cable(Included) | USB Power Cable(Included) |
Sampling/Bit Rate
| 32~192 KHz,16~24 Bit | 32~192 KHz,16~24 Bit | 32~192 KHz,16~24 Bit | - |
Cable Length(Total)
| 60cm/2ft | 2.1m/7ft | 1.2m/4ft | 60cm/2ft |
Audio Amplifier Chip
| ✔ | ✔ | ✔ | ✘ |
Volume Adjustment
| ✔ | ✘ | ✘ | ✘ |
Plug and Play
| ✔ | ✔ | ✔ | ✔ |
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Customer reviews
4.3 out of 5 stars
4.3 out of 5
239 global ratings
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Reviews with images

5 out of 5 stars
Convert Digital Audio of TV to Analog
The Neoteck 192kHz Digital to Analog Converter is exactly the accessory I was looking for to connect a sound-bar, portable speaker or headphones to my flat screen TV. Connecting the Converter: One end of optical cable connects to the Optical In of the Converter and the other end connects to the Optical Out of the TV. The phono cable connects to the Audio Out of the Converter and the Audio In of a sound-bar, portable speaker or headphones (there is no Bluetooth connectivity here, just wired). Then USB-C cable connects to the USB-C In of the Converter and the USB-A Out of the TV or other power source. Configuring TV: I had to go into the settings of my TV and enable Sound Output to Audio Out/Optical and Digital Audio Out to PCM. Once this is done, everything should work, but not exactly. Compatibility due to copy protection: The one thing to know is that streaming movies from an online service such as Netflix will have copy protection and the audio may not work. When Netflix is launched on a TV from the installed apps, no sound, but if you launch Netflix from a computer, in my case Windows 10, works fine. I don’t understand how the copy protection is different from a builtin in TV app vs the same app on a computer, but that’s what I discovered. So be aware of this as other streaming services will probably be the same. This Converter does work fine, just depends what you are trying to watch and from where. Installation and configuration took a few minutes and the sound output is good on my speakers, so much better than from my TV. There is a volume button on the Converter that allows you to adjust volume if needed.
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Top reviews from Canada
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- Reviewed in Canada on April 29, 2025Verified Purchase
- Reviewed in Canada on May 25, 2025Verified PurchaseI loved it. With this I could use my old Bose like a soundbar. I really love the sound quality.
- Reviewed in Canada on February 21, 2025Verified PurchaseWorks seamlessly to allow optical to analogue signal conversion and the volume control makes it easy to adjust output levels.
- Reviewed in Canada on April 3, 2025Verified PurchaseItem stopped working after a month, only used a couple of times.
- Reviewed in Canada on August 15, 2024The device works great. Transfers the digital sound signal from your tv to whatever sound device you want the sound to be sent to. The sound is clear, no lag, no distortion. I would recommend to always connect the USB cable to make sure your converter is properly powered to do it's job.
One issue I found is that sometimes it does not work. No matter how clear of an image you have and the good sound you get on your tv, this device will cut the sound and will refuse to work. Not sure what the cause is because if you change channel or use another source of video, it will work perfectly. There must be a compatibility issue that I do not know about, neither it is explained by the manufacturer.
As for the plug and play feature, forget it, it is not. If you just plug it on the tv and try to get sound on the other end, it will not work. You have to tell your tv to redirect the sound through the digital port. It will not recognize it by default and start redirecting the sound. You will have to do that manually. Other than that, installation is fairly fast and easy.
- Reviewed in Canada on March 8, 2025Verified PurchaseWorks fine!
- Reviewed in Canada on October 25, 2024They work even with my current gimmick setup ( HDMI to monitor HUB that split video and audio signal through SPDIF port) then use it to connect the converter to a soundbar. Honestly, I am not seeing a difference beside the sound level. It is somewhat muffled if I have to describe it.
Other than that, I will sometime use it when I know the TRS audio is bad and cause white noise on the sound card.
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Reviewed in Canada on December 11, 2024Verified PurchaseParfait
Top reviews from other countries
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Orsobruno65Reviewed in Italy on February 13, 2025
5.0 out of 5 stars Descrizione che soddisfa le aspettative
Verified PurchaseCome aspettative qualità prezzo rispettate ora vediamo la durata
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KaarmaaReviewed in Poland on May 5, 2025
5.0 out of 5 stars Polecam
Verified PurchaseSpełnia swoj zadanie
- Katona Payer SebastianReviewed in the United Kingdom on June 14, 2025
5.0 out of 5 stars It does a very good job.
Verified PurchaseWhen I bought my new motherboard for my PC, I didn't notice that it doesn't come with AUX support. I realised this only after the motherboard was in the case. To connect the digital output to my speakers, which have an AUX input, I had to purchase this converter. Easy to set up, affordable and works well.