A50s vs A50 III
The A50 III's signal-to-noise is 144 dB against the A50s's 145 dB and its output impedance 0.2Ω against 0.1Ω. Both share thd (0.000%) and output voltage (21.0V RMS).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
AmplifiersHeadphone Amplifiers
Estimated price (community-sourced)
$135 - $159
Around — community and catalog average, updates slowly
About the A50s
The Topping A50s is a compact desktop headphone amplifier aimed at driving everything from sensitive IEMs to demanding full-size headphones. It uses Topping’s NFCA-based amplification architecture, offers 6.35mm single-ended and 4.4mm balanced headphone outputs, and includes RCA inputs/outputs with a simple 0dB/6dB gain switch. It was sold as a minimalist, high-performance amp with very low noise and distortion, making it suitable for desktop listening and as a preamp in simple setups.
Specifications
Analog Output
Analog signal output specifications
- THD
- 0.000%
- SNR
- 145 dB
- Output Voltage
- 21.0V RMS
- Output Impedance
- 0.1Ω
- Max Output Voltage
- 42.0V RMS
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA
- Analog Outputs
- RCA
Physical Dimensions
Size, weight, and appearance
- Available Colors
- black, silver
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions