FiiO D03K Coaxial/Optical to R/L Audio Converter

An easy way to convert coaxial or optical S/PDIF digital audio into stereo analog sound

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This item is in stock at our Chatswood store. If you place an order and we can confirm payment before 2:00 PM on a business day (Mon-Fri excluding public holidays), your order will likely ship out or be ready for collection on that same day.

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TAISHAN-D03K paves an easy way to convert coaxial or optical S/PDIF digital audio into stereo analog sound. Coming from the house of FiiO, this simple device makes a great choice for multimedia gadgets like TV, CD/DVD/Blue-ray players, game consoles, satellite or cable receivers, and steamers which doesn't support analog output. The key highlight of TAISHAN-D03K is its WM8805 jitter digital receiver chip. It also features MINI USB power supply port and an indicator for specifying digital receiving status. It supports optical and coaxial inputs too with selection switch.

Measuring 61.6mm x 49.1mm x 21mm, this 50g device has 20Hz~20KHz frequency response. With ≥90dB signal to noise ratio, it has

  1. Support 192KHz/24bit audio signal
  2. Optical/coaxial optional input
  3. Two sound channesl stereo RCA audio output
  4. Standard 3.5mm sound output
  5. Indication for digital receiving status (LOCKED)
  6. MINI USB power supply port
  7. Support PCM format, don't support DOLBY and DTS format

Application of the Environment
Such as: with TV and WLAN HEADPHONES)

When using WLAN headphones in the living room, customers feel confused that transmitter of wireless headphone can't connect with the TV, which lies in the different connectors of these two equipments. The common connectors of the transmitter is 3.5MM analog input, whereas, many digital TVs don't have analog output connectors.

In this condition, of course we need something to transform it. FiiO TAISHAN-D03K have this function. TV digital signal can input the WLAN headphones equipments after being transformed.


  • Support 192KHz/24bit audio signal
  • Optical/coaxial optional input
  • Two sound channesl stereo RCA audio output
  • Standard 3.5mm sound output
  • Indication for digital receiving status (LOCKED)
  • MINI USB power supply port
  • Support PCM format

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Shop M3, 465 Victoria Ave
Chatswood NSW 2067