Fosi Audio P3vsTopping Pre90
A detailed side-by-side comparison of the Fosi Audio P3 and Topping Pre90 — two popular preamps in the Chinese HiFi space.
Specifications
Spec
Fosi Audio P3
Topping Pre90
Tubes
5654W × 2 (Replaceable with 6J1, 6AK5, EF95)
—
Topology
Hybrid Tube Preamp
Solid State / NFCA Modules
Inputs
RCA, Bluetooth 5.1
XLR (Balanced), RCA
Outputs
RCA, 3.5mm Headphone, 3.5mm Aux
XLR, RCA
Features
Bass/Treble Tone Controls, Reset Button for Tone Defeat
Relay Volume Control, Remote Control, Optional Input Extender (Ext90)
S/N Ratio
—
124dB
Remote Control
✗
✓
Tube Stage
✓
✗
Phono Stage
✗
✗
Headphone Amp
✓
✗
Price (estimated)
Price
~$79
~$309
Difference
~$230.00 cheaper (Fosi Audio P3)
Things to Know
Fosi Audio P3
- ⚠Bluetooth input is always active/discoverable if not connected.
- ⚠Tube socket is tight; swapping tubes requires care to avoid bending pins.
- ⚠No remote control.
Topping Pre90
- ⚠Input impedance is relatively low (10kΩ balanced), which may not pair well with some vintage tube sources.
- ⚠Remote control range is narrow and requires precise pointing.
- ⚠Sound can be perceived as 'lean' or 'dry' by those used to colored preamps.
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