Aiyima A70vsFosi Audio TB10D (Upgraded)
A detailed side-by-side comparison of the Aiyima A70 and Fosi Audio TB10D (Upgraded) — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
Aiyima A70
Fosi Audio TB10D (Upgraded)
Class
D
D
Chipset
TI TPA3255 (with PFFB)
TI TPA3255
Topology
Stereo / Mono Bridgeable
—
Power
2 × 300W (4Ω) / 1 × 480W (Mono)
2 × 300W (Max) / ~100W Clean @ 4Ω
Inputs
RCA, XLR
RCA
Features
Subwoofer Output (Low-Pass Filtered), GaN Power Supply
Bass and Treble Tone Controls
Remote Control
✗
✗
Tube Stage
✗
✗
Price (estimated)
Price
~$128
~$70
Difference
~$58.00 cheaper (Fosi Audio TB10D (Upgraded))
Things to Know
Aiyima A70
- ⚠Volume taper is extremely aggressive; it gets very loud very early on the dial.
- ⚠The subwoofer output is active but does not high-pass the main speakers.
- ⚠Heat dissipation is passive and the case can become uncomfortable to touch during extended high-output sessions.
Fosi Audio TB10D (Upgraded)
- ⚠Volume control is logarithmic but very sensitive; gets loud at the 9 o'clock position.
- ⚠Tone controls lack a center detent, making it hard to know when you are truly 'flat'.
- ⚠DC input spark is common when plugging in the power supply (connect to amp first, then wall).
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