Aiyima A70vsTopping PA7 Plus
A detailed side-by-side comparison of the Aiyima A70 and Topping PA7 Plus — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
Aiyima A70
Topping PA7 Plus
Class
D
D
Chipset
TI TPA3255 (with PFFB)
Proprietary / Modified Class D
Topology
Stereo / Mono Bridgeable
—
Power
2 × 300W (4Ω) / 1 × 480W (Mono)
2 × 245W @ 4Ω (1% THD) / 2 × 300W @ 4Ω (10% THD)
Inputs
RCA, XLR
XLR/TRS (Balanced), RCA
Features
Subwoofer Output (Low-Pass Filtered), GaN Power Supply
Volume Bypass (Pure Power Amp Mode), 12V Trigger
Sinad
—
102 dB (excellent for Class D)
Remote Control
✗
✗
Tube Stage
✗
✗
Price (estimated)
Price
~$128
~$549
Difference
~$421.00 cheaper (Aiyima A70)
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.
Topping PA7 Plus
- ⚠External power brick is massive and can be difficult to hide.
- ⚠Runs warmer than typical Class D amps due to high power density.
- ⚠No remote control (intended to be used with a preamp like the E70).
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