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🎧 Elevate your sound game—because your ears deserve the best!
The Cubilux USB A to TOSLINK Optical Audio Adapter converts USB Type A output from computers and gaming consoles into high-resolution SPDIF optical audio, supporting up to 192kHz/24-bit for crystal-clear surround sound. Its plug-and-play design requires no drivers or external power, housed in a durable aluminum alloy case with a braided cable for interference isolation and portability. Ideal for audiophiles seeking superior sound quality from PCs and PS5/4, this adapter excludes TV and other device compatibility.













| ASIN | B0B2DBGKL3 |
| Audio Output Mode | Stereo, Surround Sound |
| Best Sellers Rank | #5,690 in Electronics ( See Top 100 in Electronics ) #8 in Digital-Analog Converters |
| Brand | Cubilux |
| Brand Name | Cubilux |
| Compatible Devices | Gaming Console, Laptop, Personal Computer |
| Customer Reviews | 4.3 out of 5 stars 1,261 Reviews |
| Interface | Optical, USB |
| Interface Type | Optical, USB |
| Item Dimensions L x W | 9.1"L x 0.31"W |
| Manufacturer | Cubilux |
| Maximum Supply Voltage | 5.2 volts |
| Minimum Supply Voltage | 4.8 volts |
| Model | Cubilux |
| Number of Channels | 2 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pins | 9 |
| Part Number | Z10-15BK |
| Unit Count | 1 Count |
| Upper Temperature Rating | 104 °F |
V**E
Sound Quality Is Superb
This device works very well. My new PC had no SPDIF Optical out. Plugged this into a USB port and I now have crystal clean 24 Bit audio to listen to my music on the BIG speakers and my AV Amplifier. It's a more cost effective option than installing a PCI card in the computer. One minor issue: The first one I ordered had a short in the USB cable. The sound would stop under the weight of the Optical cable plugged into it. Hanging there caused a short. Must be manufacturing issue. Given the reasonable price, I just bought a second one and it works fine. Now I have two. One as a spare I guess. I can get the bad one to work if I hold up the cable in a manner to take the weight off the USB connecter. Strange issue, but I didn't bother to send it back. The cost of shipping wouldn't be worth it. It's a great product but needs better quality control in manufacturing.
T**T
Great Little Adapter, Huge Sound Difference
I picked this up to improve the audio quality from my PC to my Samsung HW-S50B soundbar. Bluetooth just wasn’t cutting it, the sound was hollow, lacked bass, and didn't use the center speaker at all. This inexpensive adapter completely changed that. It was plug-and-play on Windows, I just had to switch my sound output from Bluetooth to SPDIF and I was good to go. Now I get clean, full sound with strong bass and much better center channel clarity. Movies and music actually sound how they should. Build quality feels solid too, no signal dropouts, and the optical connector fits snugly into my soundbar. The price is excellent for what it delivers, especially compared to some of the overpriced alternatives out there. If you're looking to squeeze better sound out of a setup that supports optical input, this adapter is a no-brainer over Bluetooth.
D**S
Plug and play! Great for Laptops or adding DAC support to PC
This works fabulously! Had to replace my 11yo PC build and lost the onboard SPDIF port I use to connect my DAC/Headphone amp. Only other alternative is a $100+ PCI card with ton of features I wouldn't be using. Saved a lot of money, and works great. Flawless installation, and Just Worked with Windows 11. No configuration needed other that switching Audio Output Device in the Sound settings. Highly recommend if using DAC with a laptop or any PC that doesn't port onboard.
A**M
Works to hook a TV soundbar up for your desk
Worked perfectly for using a Samsung 2.1 soundbar with wireless sub for a desk PC setup. No drivers, it was instantly recognized as a sound device in Windows 11. This soundbar made for TV is always ready to go and working when I need it to.
J**S
Horrible Sound Quality
I used this adapter almost daily in my car for two years. I can't believe how badly this was affecting the audio in my system until I replaced it with a different USB to TOSLINK adapter on a whim. Immediately noticed a few nuisance peaks disappeared, and the mids and highs opened up and became less tense. I don't even know how this can screw up the audio so badly since it shouldn't have a DAC in it, but the results were night and day. I should have replaced this a long time ago. Properly designed digital/digital converters should not noticeably improve audio quality, but badly designed ones definitely will degrade audio quality. This is a poorly designed converter.
T**.
Super Easy to Use
PC USB to Optical Cable to old Marantz AVR. Works perfectly for my 5.1 system.
A**R
It works, but maybe limited
Worked as described but didn't fix my issue. Used to connect a laptop to a mid 2000s home theater receiver. The laptop only saw it as a stereo output, couldn't figure out how to switch it to 5.1. Couldn't even make a custom bios for it. Could have been user error.
N**S
Sony took the optical port away from the PS5. This adds it back!
So, I have a PS4 Pro and for several years, I've been using both a 5.1 surround receiver (via HDMI) during the day and also a dedicated headphone amp/EQ (via optical) for late night gaming that doesn't wake up the wife. I particularly enjoy playing my own music from a USB stick, while keeping the sound effects from the game turned on. When I got the PS5 a few months ago, after setting it up, I realized that there was no optical port. So, my choices were either 1) to plug my headphones directly into the receiver (which would be a drop in audio quality from the headphone amp/EQ) or 2) keep using the receiver late at night, with the volume so low I could barely hear it. Neither of these was optimal the way that the PS4 Pro setup had been. However, I was thinking about this problem last week and after some google searching, I found this USB to optical cable. It was not particularly expensive, so trying it out wasn't a huge risk. I'm happy to report that it works exactly as I'd hoped it would. The PS5 now behaves just like the PS4 Pro did in terms of audio. I can once again use both the AVR and the headphone amp/EQ as I see fit. Note: you may find that after plugging in the device, if you switch back to the AVR from the headphones, the sound is completely gone. Not to worry. Go to the PS5's main menu, hit triangle, and go into Audio. There is an output option there that you may need to manually switch depending on which device you want sound going to. I guess the PS5 can output to HDMI or optical, but not both at once. This isn't a problem per se, but just a quirk to be aware of. Once you know about it, it takes all of 10 seconds to toggle the output. I highly recommend this product if you need the PS5 to output via optical. It's plug and play.
M**S
Funciona Perfectamente
Compré este adaptador para conectar mi barra de sonido Sonos Ray al PC y la verdad es que cumple perfectamente con su función. La instalación fue muy sencilla: lo conecté y funcionó al instante, sin necesidad de configuraciones complicadas. La calidad de sonido es excelente, no he notado pérdidas ni interferencias. Se nota que transmite bien la señal y permite aprovechar al máximo la barra de sonido. Además, es un accesorio compacto y ligero, fácil de llevar o guardar. En resumen, un producto práctico, fiable y totalmente recomendable si necesitas una solución para conectar por óptico desde un puerto USB.
P**S
Funciona bem em 48khz, trava em 192khz depois de um tempo.
Funciona mais ou menos. No modo 192khz ele as vezes trava, fica distorcido. No modo 48khz ele funciona sem problemas. Não sei se é problema no firmware dele, não sei se tem como atualizar, no manual não tinha nenhuma informação sobre isso, eu busquei informacao e diz que nao tem, entao o problema pode ser permanente.
J**N
Buena calidad
muy bien, me esta funcionado perfectamente!!
D**Y
Works perfectly
I'm using this to get digital audio out of a Raspberry Pi and into an SMSL SU-1 dac, and for that purpose it's exactly what I needed. I love how simple it is. I do think it's a tad expensive though, it's about the same price as an HDMI audio extractor which could do the same thing but this is a simpler device.. but whatever it works great. Side note: I've seen some reviews mentioning it doesn't work with Dolby or DTS. Although I haven't tried that, from what I know about optical audio there's really no reason it shouldn't work. It will not transcode your audio into Dolby or DTS though, as in it wont just output all audio that way. The software you're using must support sending those formats over optical audio (such as Kodi), and the file you're attempting to play must contain one of those audio formats. Once the software is configured to pass the audio through optical it should work.
T**S
Great for USB to optical!
Without any other driver installations or anything, it was found and properly worked instantly
Trustpilot
5 days ago
1 month ago