Aiyima A07 MaxvsFosi Audio V3 Mono
A detailed side-by-side comparison of the Aiyima A07 Max and Fosi Audio V3 Mono — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
Aiyima A07 Max
Fosi Audio V3 Mono
Class
D
D
Chipset
TI TPA3255
TI TPA3255 (with PFFB)
Topology
Stereo / Mono
Monoblock
Power
2 × 300W (4Ω) @ 48V
240W @ 4Ω (48V/5A supply)
Inputs
RCA
RCA, XLR / ¼” TRS
Features
Venting on sides (improved cooling)
Auto-Standby, 12V Trigger, Gain Switch (25dB/31dB)
THD / SINAD
—
-120 dB (SINAD via XLR)
Remote Control
✗
✗
Tube Stage
✗
✗
Price (estimated)
Price
~$65
~$131
Difference
~$66.00 cheaper (Aiyima A07 Max)
Things to Know
Aiyima A07 Max
- ⚠Vents are located on the bottom/sides, which is better than the original but still relies on passive convection.
- ⚠Some users report 'sparking' at the DC input jack when connecting power (connect brick to wall last).
- ⚠Aux output is not a true variable pre-out.
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.
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