---
product_id: 283553358
title: "FiiO Taishan D03K Digital and Analog Audio Decoder (Coaxial, Optical),Black"
brand: "fiio"
price: "C$12914"
currency: NIO
in_stock: true
reviews_count: 5
category: "Fii O"
url: https://www.desertcart.ni/products/283553358-fiio-taishan-d03k-digital-and-analog-audio-decoder-coaxial-optical
store_origin: NI
region: Nicaragua
---

# Dual input switch (Optical/Coaxial) High-fidelity analog output Mini USB power supply FiiO Taishan D03K Digital and Analog Audio Decoder (Coaxial, Optical),Black

**Brand:** fiio
**Price:** C$12914
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game—convert, connect, and conquer your audio world!

## Quick Answers

- **What is this?** FiiO Taishan D03K Digital and Analog Audio Decoder (Coaxial, Optical),Black by fiio
- **How much does it cost?** C$12914 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/283553358-fiio-taishan-d03k-digital-and-analog-audio-decoder-coaxial-optical)

## Best For

- fiio enthusiasts

## Why This Product

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

## Key Features

- • **Precision Audio Sync:** Enjoy perfectly synchronized sound with your TV and audio system, eliminating lag or echo.
- • **Instant Input Switching:** Toggle between optical and coaxial inputs with a simple switch—no complicated reconfiguration needed.
- • **Sleek, Minimalist Design:** Discreet black finish and compact size fit effortlessly into any modern entertainment setup.
- • **Compact Power Flexibility:** Powered via mini USB port—plug into your TV or any 1A adapter for clutter-free setup.
- • **Seamless Digital-to-Analog Conversion:** Effortlessly transform optical or coaxial digital signals into crisp analog audio for your legacy systems.

## Overview

The FiiO Taishan D03K is a compact, high-performance digital-to-analog audio decoder that converts optical or coaxial digital signals into analog output. Featuring a built-in phase locked loop for stable signal processing, a mini USB power port for versatile powering options, and a simple input selection switch, it’s ideal for integrating modern digital sources with legacy analog audio systems. Its sleek black design and reliable performance make it a must-have for audiophiles seeking seamless audio upgrades.

## Description

Product Description FiiO TAISHAN-D03K is a digital audio analog converter, which can transfer digital audio (optical/coaxial) to two channels analog audio and output (but using directly on headphone is not recommended), just suitable for using together with the devices such as digital television, CD/DVD/Blue-ray player etc., which with coaxial or optical digital signal output. Set Contains: 1x Digital and Analog Audio Decoder

Review: After using this product (almost daily) for the last 6 months, this is without a doubt - an excellent stereo DAC. As the description and product photos mention, this device can connect unidirectionally from: 1. Digital In - Either Optical or Coaxial cable on one end to 2. Analog Out - Both Standard 3.5mm (headphones or old 2.1 audio systems) and AV audio on the other end. The old speakers of my 2.1 Audio system could only connect via 3.5mm jack -- because the 3.5mm Output port was not present on the LED TV. Since the LED TV had Optical Audio Out, I interconnected a Digital Optical Audio cable (purchased separately) from the TV end with the 3.5mm jack (from Audio system) using this product and confirmed that the switch on the DAC is set to 'Optical input' in my case. After connecting the DAC, it needed a couple of minor confirmations on TV Software side (actual process differs based on TV manufacturer hence only describing generic steps below): 1. Confirm Digital Audio Out in your TV's Sound Settings is set to either: Auto or PCM as this DAC supports PCM only. 2. Switch on both TV and Audio system, play any random audio and listen for any lag/echo between the two systems. You may need to manually adjust PCM delay until both sounds seem to merge. After confirming above settings on the TV software side, the resulting audio sounded flawless from both the TV and speakers simultaneously. Audio was perfectly in sync between both systems. Since no power adapter is provided (only USB cable provided), any basic 1Amp power adapter can work. Luckily, the DAC can even be powered by the TV itself (just confirm if TV USB Connection is 1Amp; anything less may lead to static noise heard in audio system) Delivery was prompt (as per scheduled date), packaging was perfectly done and build quality is top-notch. After an initial setup requiring 5 mins, I've almost forgotten about the mini-DAC in the ensuing months.
Review: I was dubious because of the cheap price, but this thing sounds great. No complaints.

## Features

- Indication for digital receiving status (LOCKED)
- Built-in high-performance phase locked loop (PLL)
- Mini USB power supply port (AC adapter included)
- Optical and coaxial inputs with selection switch
- Available in black colour

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B009346RSS |
| Best Sellers Rank | #109,195 in Electronics ( See Top 100 in Electronics ) #115 in Digital-Analog Converters |
| Item model number | D03K |
| Manufacturer | FIIO4 |
| Product Dimensions | 6.2 x 2.1 x 4.9 cm; 50 g |

## Images

![FiiO Taishan D03K Digital and Analog Audio Decoder (Coaxial, Optical),Black - Image 1](https://m.media-amazon.com/images/I/51rHTqIOURL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***K on 5 April 2021*

After using this product (almost daily) for the last 6 months, this is without a doubt - an excellent stereo DAC. As the description and product photos mention, this device can connect unidirectionally from: 1. Digital In - Either Optical or Coaxial cable on one end to 2. Analog Out - Both Standard 3.5mm (headphones or old 2.1 audio systems) and AV audio on the other end. The old speakers of my 2.1 Audio system could only connect via 3.5mm jack -- because the 3.5mm Output port was not present on the LED TV. Since the LED TV had Optical Audio Out, I interconnected a Digital Optical Audio cable (purchased separately) from the TV end with the 3.5mm jack (from Audio system) using this product and confirmed that the switch on the DAC is set to 'Optical input' in my case. After connecting the DAC, it needed a couple of minor confirmations on TV Software side (actual process differs based on TV manufacturer hence only describing generic steps below): 1. Confirm Digital Audio Out in your TV's Sound Settings is set to either: Auto or PCM as this DAC supports PCM only. 2. Switch on both TV and Audio system, play any random audio and listen for any lag/echo between the two systems. You may need to manually adjust PCM delay until both sounds seem to merge. After confirming above settings on the TV software side, the resulting audio sounded flawless from both the TV and speakers simultaneously. Audio was perfectly in sync between both systems. Since no power adapter is provided (only USB cable provided), any basic 1Amp power adapter can work. Luckily, the DAC can even be powered by the TV itself (just confirm if TV USB Connection is 1Amp; anything less may lead to static noise heard in audio system) Delivery was prompt (as per scheduled date), packaging was perfectly done and build quality is top-notch. After an initial setup requiring 5 mins, I've almost forgotten about the mini-DAC in the ensuing months.

### ⭐⭐⭐⭐⭐ Review
*by T***L on 14 March 2019*

I was dubious because of the cheap price, but this thing sounds great. No complaints.

### ⭐⭐⭐⭐⭐ Review
*by M***N on 9 January 2020*

Tardonu poco en llegar pero da excelente resultado en audio.

## Frequently Bought Together

- FiiO D3 (D03K) Digital to Analog Audio Converter - 192kHz/24bit Optical and Coaxial DAC
- Amazon Basics Toslink Digital Optical Audio Cable, Multi-Channel, for Audio System, Sound Bar, Home Theatre, Gold-Plated Connectors, 6 Foot, Black
- KabelDirekt TOSLINK – Optical Audio Cable – 6ft – Fiber Optic Cord, S/PDIF Digital Audio Optical Cable for Soundbar, Stereo Systems, Home Cinema, Xbox One/PS4 – Designed in Germany

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-03-19*