PA3s vs Mini 300
The Mini 300's power @ 8ω is 65W against the PA3s's 45W, its power @ 4ω 140W against 80W, its signal-to-noise 121 dB against 107 dB, and its thd 0.001% against 0.008%.
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower Amplifiers
Estimated price (community-sourced)
$90 - $127
Around — community and catalog average, updates slowly
About the PA3s
The Topping PA3s is a compact, fully balanced Class D stereo power amplifier using two Infineon MA12070 amplifier chips. It provides single-ended stereo RCA and balanced 6.35 mm TRS inputs, with output rated at 2 × 80 W into 4 ohms or 2 × 45 W into 8 ohms. Its low distortion, high signal-to-noise ratio, and compact desktop form factor make it suitable for driving compatible bookshelf and other small-to-medium speakers.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 45W @ 8Ω
- Power @ 4Ω
- 80W @ 4Ω
- Amplifier Class
- D
Analog Output
Analog signal output specifications
- THD
- 0.008%
- SNR
- 107 dB
- Output Voltage
- 46.0V RMS
Connectivity
Input and output connections
- Digital Inputs
- RCA, 6.35 mm TRS
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 168 × 40 × 120 mm (W × H × D)
Key Specifications
Power: 45W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions