Douk Audio P1vsFosi Audio Box X2
A detailed side-by-side comparison of the Douk Audio P1 and Fosi Audio Box X2 — two popular preamps in the Chinese HiFi space.
Specifications
Spec
Douk Audio P1
Fosi Audio Box X2
Tubes
Jan5654W × 2
6J2 × 2 (Replaceable with 5654W)
Inputs
RCA, Bluetooth 5.0, USB
Phono (MM) RCA
Outputs
RCA, 3.5mm Headphone
RCA
Features
Tone Control Bypass, VU Meter (Screen based), AptX HD
Adjustable Gain Settings (39/42/45 dB)
Topology
—
Phono Preamp (MM) + Tube Buffer
Remote Control
✗
✗
Tube Stage
✓
✓
Phono Stage
✗
✓
Headphone Amp
✓
✗
Price (estimated)
Price
~$99
~$69
Difference
~$30.00 cheaper (Fosi Audio Box X2)
Things to Know
Douk Audio P1
- ⚠The 'screen' VU meter is small and purely decorative.
- ⚠USB input is legacy (limited resolution compared to dedicated DACs).
- ⚠Knobs can feel a bit crowded on the front faceplate.
Fosi Audio Box X2
- ⚠No power switch on the front (toggle switch is on the cable or back depending on revision).
- ⚠Stock tubes (6J2) are often microphonic; upgrading to GE 5654W or Riverstone tubes is almost mandatory.
- ⚠Can introduce hum if placed too close to power amplifiers or WiFi routers.
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