{"product_id":"fiio-d03k-digital-to-analog-converter","title":"FiiO D03K Optical Coaxial Digital-to-Analog Converter","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe FiiO D03K is a compact digital-to-analog converter built to add clean analog output to a TV, computer, or car audio system. It accepts optical or coaxial digital input, selected via a switch on the unit, and converts it to analog RCA or 3.5mm output for connection to an external amplifier or powered speakers. Inside, an MS8416T digital audio receiver handles sampling rates from 32kHz to 192kHz, feeding an MS4344 DAC chip rated up to 192kHz\/24-bit, with an SG358 dual-channel op-amp handling the analog output stage. The unibody aluminum alloy shell houses a red power indicator and a blue signal-lock indicator, and the D03K automatically mutes on non-PCM signals to protect connected equipment.\u003c\/p\u003e\u003ch4\u003eSimcoe Audio Video Insight\u003c\/h4\u003e\u003cp\u003eA lot of TVs and set-top boxes only output digital optical or coaxial audio, which most older stereo receivers and powered speakers can't accept directly. The D03K bridges that gap in a small aluminum housing, so you can add a TV or other digital source to an analog audio system without replacing any existing gear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOptical and coaxial digital inputs with a selector switch\u003c\/li\u003e\n\u003cli\u003eRCA and 3.5mm analog outputs\u003c\/li\u003e\n\u003cli\u003eSupports up to 192kHz\/24-bit PCM decoding\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest for the FiiO D03K:\u003c\/strong\u003e use the coaxial input over optical when your source supports both, since a wired coaxial connection is generally less prone to interference over longer cable runs.\u003c\/p\u003e\u003ch3\u003eMore Details\u003c\/h3\u003e\u003ch4\u003eWhy It Wins\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMS4344 DAC Chip\u003c\/strong\u003e: Handles digital-to-analog conversion up to 192kHz\/24-bit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Digital Inputs\u003c\/strong\u003e: Optical and coaxial inputs with a simple selector switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnibody Aluminum Construction\u003c\/strong\u003e: A compact, durable enclosure for a desk or entertainment centre.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat Makes It Different\u003c\/h4\u003e\u003cp\u003eUnlike a full desktop DAC\/amp, the D03K is purpose-built as a simple, focused converter — there's no headphone jack or amplifier stage, just a clean path from digital optical or coaxial input to analog RCA or 3.5mm output.\u003c\/p\u003e\u003ch4\u003eTechnical Highlights\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMS8416T Digital Receiver\u003c\/strong\u003e: Supports sampling rates from 32kHz to 192kHz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Muting Protection\u003c\/strong\u003e: Mutes output automatically when a non-PCM signal is detected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Lock Indicator\u003c\/strong\u003e: A blue LED confirms a valid input signal is detected.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuyers Guide\u003c\/h3\u003e\u003ch4\u003eWho This Is For\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe TV and Home Theatre Owner\u003c\/strong\u003e: Needs to connect a digital-only TV output to an analog stereo system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Car Audio Installer\u003c\/strong\u003e: Adding digital source compatibility to an analog car audio setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Computer User\u003c\/strong\u003e: Wants a simple, affordable DAC for optical or coaxial output from a PC.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIdeal Use Case\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTV to Stereo Bridging\u003c\/strong\u003e: Connecting a TV's optical output to an older analog receiver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesktop Computer Audio\u003c\/strong\u003e: Adding a dedicated DAC stage ahead of powered speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVehicle Audio Systems\u003c\/strong\u003e: Converting a digital source for use with car audio amplifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat To Pair It With\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowered Speakers or an External Amplifier\u003c\/strong\u003e: Using the RCA or 3.5mm analog output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA TV, Blu-ray Player, or Computer\u003c\/strong\u003e: Using either the optical or coaxial digital input.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA USB Power Adapter\u003c\/strong\u003e: To power the unit, sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAlternative Options\u003c\/h3\u003e\u003cp\u003eThe D03K is a focused, DAC-only converter with no headphone output. If you want digital-to-analog conversion combined with a full headphone amplifier stage instead, FiiO's K7 and K11 R2R, already in our lineup, add dedicated headphone outputs and gain controls.\u003c\/p\u003e","brand":"FiiO","offers":[{"title":"Default Title","offer_id":48355284451549,"sku":"741360330993","price":34.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0331\/1930\/5859\/files\/fiio-d03k-digital-to-analog-converter.png?v=1786381171","url":"https:\/\/www.simcoeav.ca\/fr\/products\/fiio-d03k-digital-to-analog-converter","provider":"Simcoe Audio Video","version":"1.0","type":"link"}