The Fosi Audio K5 PRO is a compact gaming DAC/amp that takes USB-C, optical or coaxial input, adds a headset mic jack and bass/treble knobs, and delivers 500mW into 32Ω from its 3.5mm output. It suits PS5 and PC gamers replacing a noisy onboard headphone jack, not anyone who needs a balanced output.
Who the Fosi Audio K5 PRO is for
PS5 and PC gamers with a wired headset: Plug the headset into the 3.5mm headphone and mic jacks and one box carries game audio and voice chat; Fosi notes the mic works only in USB mode, and a PS5 needs the USB-C-to-USB-C connection.
Anyone stuck with a hissy onboard jack: Fosi rates it at ≥110dB SNR and ≤0.003% THD, a clean step up from a noisy laptop, motherboard or console headphone port.
Most wired headphones, 16 to 300Ω: It puts out 500mW into 32Ω and 80mW into 300Ω, enough for typical gaming headsets and easy-to-moderate full-size headphones.
Players who like physical controls: Volume, bass and treble knobs let you adjust the sound mid-match without opening software EQ.
Desks with powered speakers: The RCA output can feed active speakers, so it can also act as a small DAC for a speaker setup.
Skip it if: you play on Xbox Series X|S, which Fosi says it doesn't support, or want a 4.4mm balanced output; the headphone output is 3.5mm single-ended only.
Sample rate: Up to 24-bit/96kHz (USB); up to 24-bit/192kHz (optical, coaxial)
Op-amp: Texas Instruments NE5532
SNR / THD: ≥110dB / ≤0.003%
Controls: Volume, bass and treble knobs; input selector
Works with: PC, Mac, PS5, PS4, Nintendo Switch, phones (not Xbox Series X|S)
Size and weight: 112 × 95 × 30mm, 251g
Genuine Fosi Audio stock. Free shipping on every order, 45-day returns.
Fosi Audio K5 PRO vs similar options
vs Fosi Audio SK02: Steps up to an ES9038Q2M DAC with 32-bit/384kHz and DSD256 over USB, plus a 4.4mm balanced output; pick the K5 PRO if you need a headset mic jack or a coaxial input.
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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