SMSL AO300vsTopping PA7 Plus
A detailed side-by-side comparison of the SMSL AO300 and Topping PA7 Plus — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
SMSL AO300
Topping PA7 Plus
Class
D
D
Chipset
Infineon MA5332MS
Proprietary / Modified Class D
Power
2 × 165W @ 4Ω
2 × 245W @ 4Ω (1% THD) / 2 × 300W @ 4Ω (10% THD)
Inputs
HDMI (ARC), USB, Optical, Coax, Bluetooth, Balanced XLR
XLR/TRS (Balanced), RCA
Features
Subwoofer Out, Filters, EQ, Remote
Volume Bypass (Pure Power Amp Mode), 12V Trigger
Sinad
—
102 dB (excellent for Class D)
Remote Control
✓
✗
Tube Stage
✗
✗
Price (estimated)
Price
~$195
~$549
Difference
~$354.00 cheaper (SMSL AO300)
Things to Know
SMSL AO300
- ⚠Menu system is small and can be finicky to navigate.
- ⚠HDMI ARC implementation is hit-or-miss with some TV brands (LG specifically).
- ⚠Bluetooth antenna range is shorter than average.
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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