Fosi Audio P3vsSingxer SA-1 V2
A detailed side-by-side comparison of the Fosi Audio P3 and Singxer SA-1 V2 — two popular preamps in the Chinese HiFi space.
Specifications
Spec
Fosi Audio P3
Singxer SA-1 V2
Tubes
5654W × 2 (Replaceable with 6J1, 6AK5, EF95)
—
Topology
Hybrid Tube Preamp
Fully Balanced Discrete
Inputs
RCA, Bluetooth 5.1
XLR, RCA
Outputs
RCA, 3.5mm Headphone, 3.5mm Aux
XLR Pre-out, RCA Pre-out, Balanced Headphone
Features
Bass/Treble Tone Controls, Reset Button for Tone Defeat
Gain Switch (Low/High), Output Impedance Switch (Z)
Class
—
A
Remote Control
✗
✗
Tube Stage
✓
✗
Phono Stage
✗
✗
Headphone Amp
✓
✓
Price (estimated)
Price
~$79
~$599
Difference
~$520.00 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.
Singxer SA-1 V2
- ⚠No remote control (major downside for living room use).
- ⚠Gain switches are located on the bottom of the unit.
- ⚠Volume knob is analog; slight channel imbalance possible at very lowest levels (first 5%).
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