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1 Year Limited Warranty (T&C Applies, Warranty excludes Human Factor Damage)

Topping A50s - Fantasy HPA for Desktop
- Headphone Amp / Preamplifier Application
- 4.4mm Balanced Output
- 2 step Gain Settings (0dB/6dB)
- NFCA Modules
- THD+N <0.00007%
- DNR 144dB
- Noise @ <0.3uVrms
- Output Impedance @ <0.1 ohms
- Maximum Output Power @ 3500mW x2

-Ultra-High Performance NFCA Balanced Modules
A50s uses the same NFCA (Nested Feedback Composite Amplifier) module from flagship A90. Voltage Current Hybrid Feedback architecture along with UHGF (Ultra High Gain Feedback) technology provides excellent DC and AC performance. High Output Current Drive capability allows the amp driving low impedance headphones with ease. Ultra-low noise of 0.3uV is miles ahead of the competition, giving an absurdly high dynamic range of 144dB and no audible noise and darkest background for the most sensitive IEMs.

- Full Aluminium Case
- 6.35mm SE & 4.4mm Balanced Output

- Wide range of adaptation to headphones
A50s has a high voltage swing of 42Vp-p, power of 3500mW per channel when both channels are driven and output impedance of less than 0.1 Ohm. It easily drives power-hungry headphones with a wide range of different impedance.

- Also an excellent preamp
The NFCA modules of A50s are not only able to drive the headphones but also apply to be a preamplifier with the same ultra-high performance. When it is in preamp mode, output impedance is as low as 20 ohm, which is widely suitable for various devices.

- HPA/PRE automatic switching

- Cleaner Power to A50s via P50 Linear Power Supply
When powered by P50, max balanced output power of A50s drop to 2.4W x2, other power spec is not affected.