Fosi Audio V3 MonovsSMSL AO200 MKII
A detailed side-by-side comparison of the Fosi Audio V3 Mono and SMSL AO200 MKII — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
Fosi Audio V3 Mono
SMSL AO200 MKII
Class
D
D
Chipset
TI TPA3255 (with PFFB)
Infineon MA5332MS
Topology
Monoblock
—
Power
240W @ 4Ω (48V/5A supply)
2 × 160W @ 4Ω
THD / SINAD
-120 dB (SINAD via XLR)
—
Inputs
RCA, XLR / ¼” TRS
XLR (Balanced), RCA, Bluetooth, USB (Flash drive only)
Features
Auto-Standby, 12V Trigger, Gain Switch (25dB/31dB)
Subwoofer Out, Balanced Circuitry, EQ Presets
Remote Control
✗
✓
Tube Stage
✗
✗
Price (estimated)
Price
~$131
~$312
Difference
~$181.00 cheaper (Fosi Audio V3 Mono)
Things to Know
Fosi Audio V3 Mono
- ⚠Chassis gets significantly warm due to the compact thermal design coupled with high power density.
- ⚠Auto-standby feature produces a mechanical 'click' that some users find audible in quiet rooms.
- ⚠Requires two separate power bricks (or a specialized splitter) for a stereo pair, adding cable clutter.
SMSL AO200 MKII
- ⚠The USB port is for flash drive playback only, not for connecting to a PC/Phone (confusing for many users).
- ⚠Menu navigation knob can feel slightly wobbly compared to the rest of the chassis build.
- ⚠Bluetooth implementation does not support high-res codecs like LDAC.
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