TOPPING A50 III Hi‑Fi Headphone Amp, Fantasy HPA NFCA Modules, Single‑Ended & 4.4 Balanced Desktop Amplifier

The A50 III is the third-generation high-performance desktop headphone amplifier of the A50 series, featuring a top-notch NFCA (Nested Feedback Composite Amplifier) circuit design. It provides three gain settings that can perfectly match headphones with various impedances. In terms of performance parameters, the total harmonic distortion plus noise (THD+N) is less than 0.00006%, with a stunning dynamic range of 144dB, and a dual channel output power of up to 3500mW under a 32 ohm load, ensuring strong headphone driving capability. The A50 III supports both RCA and TRS balanced input methods, providing flexible connection options. In addition, the device is equipped with a 12V Trigger input port, which can be linked with other devices that support this function to achieve synchronous on/off.