The Fosi Audio Q6 is a compact desktop USB DAC that pairs an XMOS XU316 USB interface with an AK4493S chip, supporting PCM up to 32-bit/768kHz and DSD512. It slots between a computer and the amplifier you already own, making it a clean upgrade for anyone still listening through motherboard audio.
Who the Fosi Audio Q6 is for
Motherboard-audio listeners: If you've been running off motherboard audio, it's a clean upgrade path that moves conversion into a dedicated box.
Owners of a standalone amplifier: It's the piece that goes between your computer and whatever amp you already have.
Crowded desks: The small footprint suits a desk that's already short on space.
Hi-res and DSD collectors: PCM up to 32-bit/768kHz and DSD512 come in through a modern XMOS XU316 USB front end.
Skip it if: you don't have an amplifier to feed; the Q6 is the DAC stage that sits in front of one.
Fosi Audio Q6 key specs
USB interface: XMOS XU316
DAC chip: AK4493S
PCM: up to 32-bit/768kHz
DSD: DSD512
Input: USB
Form factor: compact desktop chassis
Genuine Fosi Audio stock. Free shipping on every order, 45-day returns, 1-year warranty.
Fosi Audio Q6 vs similar options
vs FiiO BTA30 Pro: A Bluetooth transceiver and ES9038Q2M USB DAC that sends and receives LDAC; pick it for wireless, the Q6 for higher-rate USB playback (32-bit/768kHz, DSD512 vs 384kHz/32-bit, DSD256).
vs SMSL D6s: Shares the XU316 USB front end but converts with an ES9039Q2M and lists MQA/MQA-CD decoding, Bluetooth 5.1 and a remote; pick it if those features matter, the Q6 for an AK4493S-based DAC.
Yes. Every unit we sell is genuine and brand-new, shipped in its original packaging, and backed by our 1-year TonePier warranty and 45-day returns.
Where does my order ship from, and how long does it take?
Every order ships from our warehouse in China, with full tracking, and most orders ship within 3 business days. Shipping is free on every order; most US orders arrive within 7–15 business days and most orders to other countries within 7–20 business days — see our shipping policy for details.
What if it isn't for me?
You get 45 days to decide. Keep the packaging, keep it in like-new condition, and send it back for a refund. Ear tips unsealed for hygiene reasons are fine — we expect you to actually listen.
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