Fosi Audio BT20A ProvsLoxjie A30
A detailed side-by-side comparison of the Fosi Audio BT20A Pro and Loxjie A30 — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
Fosi Audio BT20A Pro
Loxjie A30
Class
D
D
Chipset
TI TPA3255
Infineon MA12070
Power
2 × 300W @ 4Ω
2 × 80W @ 4Ω
Inputs
RCA, Bluetooth 5.0
USB (DAC), Optical, Bluetooth, RCA
Features
Tone Controls with center detent (bypass), Pre-Out
Headphone Amp, Remote Control, EQ Presets, IPS Display
Remote Control
✗
✓
Tube Stage
✗
✗
Price (estimated)
Price
~$76
~$169
Difference
~$93.00 cheaper (Fosi Audio BT20A Pro)
Things to Know
Fosi Audio BT20A Pro
- ⚠Bluetooth is always active; anyone can pair with it if you don't disconnect.
- ⚠Tone controls can introduce slight phase shift even at center detent.
- ⚠Pre-out level is low compared to industry standards.
Loxjie A30
- ⚠Low power output compared to Fosi/Aiyima; not suitable for insensitive speakers in large rooms.
- ⚠Headphone output impedance is high, which can alter the frequency response of low-impedance headphones.
- ⚠USB input is limited to 16-bit/44.1kHz (no high-res support via USB).
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