Fosi Audio MC101vsFosi Audio ZA3
A detailed side-by-side comparison of the Fosi Audio MC101 and Fosi Audio ZA3 — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
Fosi Audio MC101
Fosi Audio ZA3
Class
D
D
Chipset
TI TPA3116D2
TI TPA3255
Power
2 × 100W (Max claim) / Realistic ~30W clean
155W x 2 (4Ω)
Inputs
RCA, Bluetooth 5.3
RCA, XLR
Features
Large Illuminated VU Meter, Tone Controls
Subwoofer Out, Trigger Input (dependent on revision), Op-Amp Rolling
Topology
—
Balanced Stereo / Mono
Remote Control
✗
✗
Tube Stage
✗
✗
Price (estimated)
Price
~$62
~$132
Difference
~$70.00 cheaper (Fosi Audio MC101)
Things to Know
Fosi Audio MC101
- ⚠Uses the older, noisier TPA3116 chip (higher noise floor than V3/A07).
- ⚠Bluetooth only supports SBC/AAC (no AptX/LDAC).
- ⚠Speaker terminals are very close together; difficult to use with thick cables.
Fosi Audio ZA3
- ⚠Frequency response is load-dependent (high frequencies may rise with 8Ω loads due to lack of PFFB).
- ⚠The subwoofer output is full-range pass-through on the main terminals; it does not filter bass from the main speakers.
- ⚠Volume control is defeated in Mono mode, requiring a preamp.
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