Fosi Audio V3 MonovsLoxjie A30
A detailed side-by-side comparison of the Fosi Audio V3 Mono and Loxjie A30 — two popular amplifiers in the Chinese HiFi space.
Specifications
Spec
Fosi Audio V3 Mono
Loxjie A30
Class
D
D
Chipset
TI TPA3255 (with PFFB)
Infineon MA12070
Topology
Monoblock
—
Power
240W @ 4Ω (48V/5A supply)
2 × 80W @ 4Ω
THD / SINAD
-120 dB (SINAD via XLR)
—
Inputs
RCA, XLR / ¼” TRS
USB (DAC), Optical, Bluetooth, RCA
Features
Auto-Standby, 12V Trigger, Gain Switch (25dB/31dB)
Headphone Amp, Remote Control, EQ Presets, IPS Display
Remote Control
✗
✓
Tube Stage
✗
✗
Price (estimated)
Price
~$131
~$169
Difference
~$38.00 cheaper (Fosi Audio V3 Mono)
Things to Know
Fosi Audio V3 Mono
- ⚠Chassis gets significantly warm due to the compact thermal design coupled with high power density.
- ⚠Auto-standby feature produces a mechanical 'click' that some users find audible in quiet rooms.
- ⚠Requires two separate power bricks (or a specialized splitter) for a stereo pair, adding cable clutter.
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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