---
product_id: 740332574
title: "Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Dongle, Compatible with iPhone 15+/15 Pro Max, iPad 10, iPad Pro/Air 5 4/Mini"
brand: "cubilux"
price: "A$3502"
currency: AUD
in_stock: true
reviews_count: 13
category: "Cubilux"
url: https://www.desertcart.com.au/products/740332574-cubilux-usb-c-to-spdif-toslink-optical-audio-converter-adapter
store_origin: AU
region: Australia
---

# Compact Aluminum Build 192kHz/24bit Hi-Res Audio USB-C to TOSLINK Optical Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Dongle, Compatible with iPhone 15+/15 Pro Max, iPad 10, iPad Pro/Air 5 4/Mini

**Brand:** cubilux
**Price:** A$3502
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game—ditch the bulk, keep the brilliance!

## Quick Answers

- **What is this?** Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Dongle, Compatible with iPhone 15+/15 Pro Max, iPad 10, iPad Pro/Air 5 4/Mini by cubilux
- **How much does it cost?** A$3502 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/740332574-cubilux-usb-c-to-spdif-toslink-optical-audio-converter-adapter)

## 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

- • **Durable & Travel-Ready:** Sleek aluminum alloy casing with braided cable ensures interference-free, rugged portability.
- • **Optimized for Stereo Audio:** Perfectly tailored for high-fidelity stereo output—ideal for audiophiles who demand clarity over complexity.
- • **Effortless Optical Connection:** Convert USB-C to SPDIF (TOSLINK) for direct connection to soundbars, DACs, and amplifiers without bulky cables.
- • **Universal USB-C Compatibility:** Plug & play with the latest iPhone 15 series, iPads, Android flagships, Mac, Windows & Linux devices.
- • **Seamless Hi-Res Audio Transfer:** Experience pristine 192kHz/24bit stereo sound with zero loss, elevating your audio setup instantly.

## Overview

The Cubilux USB C to SPDIF Optical Audio Converter Adapter delivers high-resolution stereo audio up to 192kHz/24bit by converting USB-C signals to TOSLINK optical output. Compatible with the latest USB-C devices including iPhone 15 series, iPads, and major Android smartphones, it features a durable aluminum alloy body and braided cable for interference-free, portable use. Designed for seamless connection to soundbars, DACs, and amplifiers, it’s the perfect minimalist solution for audiophiles craving premium sound without the clutter.

## Description

desertcart.co.jp: Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Dongle, Compatible with iPhone 15+/15 Pro Max, iPad 10, iPad Pro/Air 5 4/Mini : Computers

Review: Switch2を光で音声出力するために購入。YAMAHAのサウンドバーSR-C20Aで問題なく音はでました。
Review: オーディオ用として、PCからDAC経由でアンプ～スピーカーに音楽を出力する為に購入しました。本商品で無事にPC内の音楽を出力できています。 実は、USBをSPDIF変換アダプターに、入力用と出力用がある事を知らずに、この製品を買う前に入力用を購入してしまいました。PC内の音楽をスピーカーで鳴らすためには、Cubilux SPDIF - USB A 入力アダプターではなく、こちらの出力用のアダプターが必要になります。 このような、間違いは起こりやすいと思うので、商品のページを、入力用と出力用を同一ページにするとか、タイトルに出力用と記述するなど、もっとわかりやすくしてほしいと思います。

## Features

- [Instantly Connect USB C Devices to your S/PDIF Sound System] - Cubilux USB C to S/PDIF Optical Audio Adapter allows you to easily connect your USB C smartphone, laptop or computer to sound bar, home audio system, external DAC, amplifier, preamp or speaker to enjoy lossless surround sound music without bulky cable connections
- [High Resolution Sound Quality] - USB Type C-TOSLINK connector provides high resolution sound of 48KHz / 24bit, 96KHz / 24bit and 192KHz / 24bit with rich audio detail
- [Support Stereo Audio Signals Only] - Please note that this USB C to Toslink converter is only for transmitting stereo audio signals and does not support 5.7/7.1 surround sound
- [Compact and Durable] - Made of aluminum alloy case and braided cable, this adapter can isolate EM/RF interference, equally provide excellent durability. Measuring 1.5cm x 1.5cm x 20cm (including cable), this adapter is super convenient to carry
- [Wide Compatibility] - Compatible with Android, iPad OS, Mac OS, Windows, Linux. iPhone 15/15+/15 Pro Max (USB C version), iPad Pro (USB C Version), iPad Air 5/4, iPad 10; Galaxy S24/S23/S22/S21/S20, Z Fold 5/4/3/2, Z Flip 5/4/3/2, Tab S9/S8/S7; Pixel 8/7/6 Pro Compatible with tablets and smartphones

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09QFYNB7Y |
| Amazon Bestseller | #9,622 in Electronics ( See Top 100 in Electronics ) #72 in Audio & Video Adapters |
| Batteries Included | No |
| Batteries Required | No |
| Brand | Cubilux |
| Cable Type | Fiber Optic |
| Compatible Devices | Smartphone |
| Customer Reviews | 4.2 4.2 out of 5 stars (2,089) |
| Date First Available | September 1, 2022 |
| Finish Type | Metallic |
| Item Model Number | CUB-USBOPT |
| Item Weight | 0.02 Kilograms |
| Item model number | CUB-USBOPT |
| Manufacturer | Cubilux |
| Product Dimensions | 22.86 x 2.03 x 1.52 cm; 20 g |

## Product Details

- **Brand:** Cubilux
- **Compatible Devices:** Smartphone
- **Connector Type:** USB Type C
- **Finish Type:** Metallic
- **Item dimensions L x W x H:** 22.9 x 2 x 1.5 cm

## Images

![Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Dongle, Compatible with iPhone 15+/15 Pro Max, iPad 10, iPad Pro/Air 5 4/Mini - Image 1](https://m.media-amazon.com/images/I/5133tbx070L.jpg)
![Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Dongle, Compatible with iPhone 15+/15 Pro Max, iPad 10, iPad Pro/Air 5 4/Mini - Image 2](https://m.media-amazon.com/images/I/61OwUoVKUGL.jpg)
![Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Dongle, Compatible with iPhone 15+/15 Pro Max, iPad 10, iPad Pro/Air 5 4/Mini - Image 3](https://m.media-amazon.com/images/I/61X6O4rwvwL.jpg)
![Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Dongle, Compatible with iPhone 15+/15 Pro Max, iPad 10, iPad Pro/Air 5 4/Mini - Image 4](https://m.media-amazon.com/images/I/61cfRcQzd3L.jpg)
![Cubilux USB C to SPDIF (TOSLINK) Optical Audio Converter Adapter, Thunderbolt 4/3 to Toslink Converter, Type C to Optical Dongle, Compatible with iPhone 15+/15 Pro Max, iPad 10, iPad Pro/Air 5 4/Mini - Image 5](https://m.media-amazon.com/images/I/71CqcHWQTJL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by 八***の on January 24, 2026*

Switch2を光で音声出力するために購入。YAMAHAのサウンドバーSR-C20Aで問題なく音はでました。

### ⭐⭐⭐⭐ Review
*by A***N on November 27, 2025*

オーディオ用として、PCからDAC経由でアンプ～スピーカーに音楽を出力する為に購入しました。本商品で無事にPC内の音楽を出力できています。 実は、USBをSPDIF変換アダプターに、入力用と出力用がある事を知らずに、この製品を買う前に入力用を購入してしまいました。PC内の音楽をスピーカーで鳴らすためには、Cubilux SPDIF - USB A 入力アダプターではなく、こちらの出力用のアダプターが必要になります。 このような、間違いは起こりやすいと思うので、商品のページを、入力用と出力用を同一ページにするとか、タイトルに出力用と記述するなど、もっとわかりやすくしてほしいと思います。

### ⭐⭐⭐⭐⭐ Review
*by K***O on December 28, 2025*

変換なので音質低下を懸念しましたが、そんな事は無かったです。

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/740332574-cubilux-usb-c-to-spdif-toslink-optical-audio-converter-adapter](https://www.desertcart.com.au/products/740332574-cubilux-usb-c-to-spdif-toslink-optical-audio-converter-adapter)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-22*