Aiyima A70vsSMSL AO300
A detailed side-by-side comparison of the Aiyima A70 and SMSL AO300 — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
Aiyima A70
SMSL AO300
Class
D
D
Chipset
TI TPA3255 (with PFFB)
Infineon MA5332MS
Topology
Stereo / Mono Bridgeable
—
Power
2 × 300W (4Ω) / 1 × 480W (Mono)
2 × 165W @ 4Ω
Inputs
RCA, XLR
HDMI (ARC), USB, Optical, Coax, Bluetooth, Balanced XLR
Features
Subwoofer Output (Low-Pass Filtered), GaN Power Supply
Subwoofer Out, Filters, EQ, Remote
Remote Control
✗
✓
Tube Stage
✗
✗
Price (estimated)
Price
~$128
~$195
Difference
~$67.00 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.
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.
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