---
product_id: 740332574
title: "Cubilux USB C – SPDIF(TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 - Toslink Converter, Type C - Optical Dongle, Compatible with MacBook, Mac Pro/Mini, iMac, Windows Laptops, PCs"
brand: "cubilux"
price: "R$370"
currency: BRL
in_stock: true
reviews_count: 13
url: https://www.desertcart.com.br/products/740332574-cubilux-usb-c-spdif-toslink-optical-audio-converter-adapter-thunderbolt
store_origin: BR
region: Brazil
---

# Supports 48-192kHz Hi-Res Audio Compact & Durable Aluminum Build USB-C to Optical SPDIF Cubilux USB C – SPDIF(TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 - Toslink Converter, Type C - Optical Dongle, Compatible with MacBook, Mac Pro/Mini, iMac, Windows Laptops, PCs

**Brand:** cubilux
**Price:** R$370
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game with sleek, lossless clarity!

## Quick Answers

- **What is this?** Cubilux USB C – SPDIF(TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 - Toslink Converter, Type C - Optical Dongle, Compatible with MacBook, Mac Pro/Mini, iMac, Windows Laptops, PCs by cubilux
- **How much does it cost?** R$370 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/740332574-cubilux-usb-c-spdif-toslink-optical-audio-converter-adapter-thunderbolt)

## Best For

- cubilux enthusiasts

## Why This Product

- Trusted cubilux brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Compatibility:** Works flawlessly with Thunderbolt 3/4 and USB-C ports across Mac OS and Windows devices.
- • **Plug-and-Play Convenience:** No drivers needed—just connect and elevate your audio setup instantly.
- • **Sleek, Travel-Ready Design:** Ultra-compact aluminum alloy casing with braided cable ensures durability and zero interference on the go.
- • **Audiophile-Grade Hi-Res Sound:** Experience crystal-clear 24-bit audio up to 192kHz for immersive stereo and 5.1 surround sound.
- • **Seamless USB-C to SPDIF Connection:** Instantly link your MacBook or Windows laptop to premium sound systems without bulky cables.

## Overview

The Cubilux USB C – SPDIF Optical Audio Adapter transforms your USB-C or Thunderbolt 3/4 device into a high-fidelity digital audio source. Supporting up to 192kHz/24-bit resolution and stereo or 5.1 surround sound, it connects effortlessly to soundbars, DACs, and amplifiers. Its compact aluminum design ensures durability and EMI/RF interference protection, making it the perfect portable solution for audiophiles and professionals seeking premium sound quality from Mac and Windows laptops.

## Description

Cubilux USB C to TOSLINK (S/PDIF) Optical AUX Dongle transmits digital audio signals from USB C or Thunderbolt 4/3 smartphones, laptops, computers to speakers, home sound systems, amplifiers or other output components to deliver more natural sound with rich details, better clarity and superior sound accuracy.
Supports 192KHz/24-bit lossless high resolution sound. Aluminum alloy case and sturdy braided cable ensure durability and eliminate ground noise and signal interference. Compact size
*Please note
This adapter connects digital audio components with optical audio cable (S/PDIF, Toslink) and does not support coaxial cables.This adapter does not support volume control of the output device.Adjust the volume of the music through the receiver.This adapter does not support 5.1/7.1 surround sound due to optical cable limitations.
Windows
Follow the following steps to set up the adapter.
Right click the Speaker' icon in the bottom right corner of the taskbar to open the sound settings.Open the "Sound Control Panel" on the right side of the "Sound Settings" window.Right-click "SPDIF Interface" to open "Properties".Check "DTSAudio" and "DolbyDigital" and you're ready to go.
Transmits digital audio signals with optical TOSLINK (S/PDIF) cable, ensuring optimal signal transmission and more fidelity audio without ground noise or static interference.It provides beautiful sound without signal loss, enrich your audio experience like watching movies, listening to music, playing games and more.
Supports 48KHz/24bit, 96KHz/24bit, 192KHz/24bit audio stream and DTS audio, DTS 96/24, LPCM etc.
Full aluminum alloy and braided cable ensure durability for daily use.Aluminum shell provides crisp sound without signal interference.
Suitable for connecting USB C phones, computers, laptops to TOSLINK or S/PDIF optical output components such as soundbars, speakers, home theater audio systems, AV amplifier/receivers, audio mixers etc.
Compatibility
Mac MacBook Air 13" (M2/M1/Intel Version), MacBook Pro 13"/14"/15"/16" (M2/M1/Intel Version), MacMini (M2/M1/Intel Version), iMac 21.5"/24"/27", iMac Pro 27", Mac Pro, Mac StudioiPad 2022, iPad 10.9"(Gen 10th), 2. 22/20 21/2020/2018 iPad Pro 12.9"(Gen 6th/5th/4th/3rd), 2022/2021/2020/2018 iPad Pro 11 (Gen 4th/3rd/2nd/1st), 2022/2020 iPad Air (Gen 5th/4th) 2021 iPad Mini (Gen 6) Samsung Galaxy Phone S23 Ultra S23+ S22 Ultra 5G S22+ 5G S22 5G Z Fold 4 Z Flip4 A73 5G A53 5G A33 5G Z Fold 3 5G Z Fold 3 5G Z Fold 2 5G Z Flip 3 5G G-Z Flip 5. G, Z Flip, S21+, 5G, S21, Ultra 5G, S21, 5G, S20+, 5G, S20+, S20, Ultra 5G, S20, Ultra 5G, S20, Ultra, S20, FE, S20, 5G, S20, 5G, S20, 5G, S20, S10 Lite Note 20 Ultra 5G, Note 20, Ultra Note 20, 5G, Note 20, Note 10+, 5G, Note 10+, Note 10, 5G, Note 10, Fold 5G, Fold A90, 5G, Samsung Galaxy Tab S8+, Ultra, S8+, S8, S7+, S7, FE, S6, 5G, S6, S5 eGoogle Pixel 7 Pro・Pixel 7・Pixel 6・Pixel 6・Pro ・Pixel 6・Pixel 5・Pixel 4 XL=Pixel 4・Pixel 3 XL=Pixel 3・Pixel 2 XL=Pixel 2 Intel NUC Computer
and most USB C/Thunderbolt 4/3 laptop and computers.

## Features

- - Instantly connect USB C devices to S/PDIF sound systems - The Cubilux USB C to S/PDIF optical audio adapter easily connects USB C computers to sound bars, home audio systems, external DACs, amplifiers, preamplifiers, or speakers, allowing you to enjoy lossless surround sound music without the need for bulky cable connections
- 【High-resolution sound quality】- The USB Type C-TOSLINK connector provides high-resolution sound of 48KHz/24-bit, 96KHz/24-bit, and 192KHz/24-bit with rich audio details
- 【Supports Stereo and 5.1 Surround Sound】- This adapter supports stereo sound (default) and 5.1 surround sound (requires 5.1 audio files and 5.1 media player), please note that it does not support 7.1 surround sound
- 【Compact and highly durable】- Made with an aluminum alloy case and braided cable, this adapter can separate EM/RF interference and also provides excellent durability Measuring 1.5 cm x 1.5 cm x 20 cm (including cable), this adapter is extremely convenient for carrying around
- [USB C Computer Compatible] - Compatible with Mac OS and Windows Compatible with computers equipped with a USB C or Thunderbolt 4/3 port

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Amazon Bestseller | #14,491 in Electronics (See Top 100 in Electronics) #178 in Audio & Video Adapters |
| Asin | B09QFYNB7Y |
| Brand | Cubilux |
| Color | Black |
| Compatible Devices | Laptop |
| Connector Type | USB Type C |
| Current Rating | 0.08 Amps |
| Customer Reviews | 4.2 4.2 out of 5 stars (926) 4.2 out of 5 stars |
| Finish | Metallic |
| Input Voltage | 5 Volts |
| Item Dimensions | 22.9 x 2 x 1.5 cm |
| Item Weight | 0.02 Kilograms |
| Manufacturer | Cubilux |
| Mfr Part Number | Z10-14BK |
| Model Number | CUB-USBOPT |
| Nominal Power | 0.4 Watts |
| Number Of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | Computers, Amplifiers |
| Warranty Type | Limited |

## Product Details

- **コネクタタイプ:** USB Type-C
- **商品寸法 (長さx幅x高さ):** 22.9 x 2 x 1.5 cm
- **商品用途・使用方法:** Computers, Amplifiers
- **対応デバイス:** ノートパソコン
- **色:** ブラック

## Images

![Cubilux USB C – SPDIF(TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 - Toslink Converter, Type C - Optical Dongle, Compatible with MacBook, Mac Pro/Mini, iMac, Windows Laptops, PCs - Image 1](https://m.media-amazon.com/images/I/5133tbx070L.jpg)
![Cubilux USB C – SPDIF(TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 - Toslink Converter, Type C - Optical Dongle, Compatible with MacBook, Mac Pro/Mini, iMac, Windows Laptops, PCs - Image 2](https://m.media-amazon.com/images/I/71adx-cdmsL.jpg)
![Cubilux USB C – SPDIF(TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 - Toslink Converter, Type C - Optical Dongle, Compatible with MacBook, Mac Pro/Mini, iMac, Windows Laptops, PCs - Image 3](https://m.media-amazon.com/images/I/81OY6C21ZDL.jpg)
![Cubilux USB C – SPDIF(TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 - Toslink Converter, Type C - Optical Dongle, Compatible with MacBook, Mac Pro/Mini, iMac, Windows Laptops, PCs - Image 4](https://m.media-amazon.com/images/I/61OwUoVKUGL.jpg)
![Cubilux USB C – SPDIF(TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 - Toslink Converter, Type C - Optical Dongle, Compatible with MacBook, Mac Pro/Mini, iMac, Windows Laptops, PCs - Image 5](https://m.media-amazon.com/images/I/71CqcHWQTJL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ KEF LSK初代ユーザーは、必須アイテム！
*by  on Reviewed in Japan April 15, 2026*

DTM用途で、imac からKEF LSKを接続する為に購入しました。KEF LSKの入力系統が、USBやキャノンなど、通常のDTM用途の入力に対応してないので、imacからCubilux USB C – SPDIF(TOSLINK) を接続し、Cubilux USB C – SPDIF(TOSLINK) からKEF LSKに接続して最高音質で、接続できました。　コスパも性能もバッチリです！！！

### ⭐⭐⭐⭐⭐ おすすめ
*by  on Reviewed in Japan May 24, 2026*

問題なく使えます。設定はやや面倒です音質の違いはあまり感じませんでした

### ⭐⭐⭐⭐⭐ 使いがてらがいい
*by  on Reviewed in Japan July 10, 2026*

AQUOS　スマートTVでの使用、既存の光端子よりUSBでの出力なのでデジタル音声の形式にこだわることなく24bit48000Hzベースでの安定した音声出力

## Frequently Bought Together

- Cubilux USB C to SPDIF Transmitter, Unidirectional Type C to Optical Audio Output Adapter with 192KHz/24bit DAC for MacBook Pro/Air, Laptop, Computer
- KabelDirekt Optical Audio Cable – 10ft Digital Optical Cable for soundbars, Fiber Optic Lead (Digital S/PDIF Cable, Stereo Systems/amplifiers/amps, Home Cinema, Xbox One/PS4)
- Cubilux USB A to TOSLINK Optical Audio Adapter, Unidirectional USB Type A to SPDIF Digital Converter, S/PDIF Transmitter for Computer Laptop PC ONLY, NOT for TV Or Other Devices

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-11-12*