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Topping NX1s Portable Amplifier


Pocket headphone amp

Topping NX1s is a perfect choice for driving IEMs, in-ear earphones, earbuds and headphones from a smartphone or a DAP. Topping NXsS takes your portable music to the next level.

It measures only 8.4 x 5.5 x 1 cm, weighs less than a bar of chocolate and provides up to 40 hours of music on a single charge.

Inside its modern aluminum housing is an OP + BUF design guaranteeing an excellent performance. Along with the gain switch known from NX1 and NX1A, NX1s also has a switch that allows the user to increase the amount of bass.

Topping NX1s offers an unmatched build quality in its price range. Each Topping amplifier undergoes a complicated multi-stage process that includes testing at every step to ensure consistently high quality.


  • Housing: Aluminum
  • Potentiometer: TOCOS
  • Frequency response: 20Hz – 100kHz
  • Output power: 150mW (32ohm), 25mW (300ohm)
  • Suitable headphone impedance: 16 – 300ohm
  • THD+N: <0,0005%
  • SNR: >117dB
  • Noise: <3uV (low gain) <7uV (high gain)
  • Gain: 0dB / 8,7dB
  • Bass: 0dB / 4,0dB
  • Work time on a single charge: 40h
  • Charging time: < 4h @ 1A
  • Charging port: MicroUSB
  • Dimensions: 8,4 x 5,5 x 1cm
  • Weight: 78g

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