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Topping NX4S DSD Portable DAC & Amplifier


Topping NX4DSD is a hi-fi system that fits in the pocket. Its compact aluminum body is packed with hi-end components allowing you to enjoy high resolution music on the go. With DAC chip and USB interface supporting PCM 32bit 384kHz DSD 512 Native files and headphone amplifier section generating up to 292mW for 32ohm headphones (114mW @ 300ohm) it is more than enough to allow a vast majority of headphones to perform to their full potential.

Topping NX4DSD is built around high quality components with proven reputation in hi-fi world. USB input is handled by XU208 chip, a second generation USB interface from XMOS. DAC section is based on ES9038Q2M DAC chip by Sabre, and Texas Instruments OPA2134 is responsible for headphone amplification. NX4DSD uses custom Thesycon drivers for Windows (Win 7 and higher) for optimized DSD support.

The body is CNC machined from aluminum, it offers a playback time of 28 hours on a single charge (amp mode only, 7.5 hours for DAC mode), and it has gain and bass switches that allow you to adjust its sound signature to your headphones and your preferences.


  • Housing: Aluminum
  • Frequency response: 20Hz – 100kHz +/- 2dB
  • Maximum output power: 293mW @ 32ohm, 114mW @ 300ohm
  • Suitable headphone impedance: 16 – 300ohm
  • THD+N: <0.0008% @ 1kHz
  • SNR: 119dB @ 1kHz
  • Input sensitivity: 1.8Vrms
  • Noise: <2uV @ 32ohm
  • Gain: 5.6dB
  • Channel crosstalk: -96dB @ -1kHz
  • Battery capacity: 2400mAh (4h charging time)
  • Work time on a single charge: 28h (amp only), 7.5h (DAC mode)
  • Charging port: MicroUSB
  • Dimensions: 11 x 6.8 x 1.4cm
  • Weight: 148g

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