Apos TOPPING-50s Ensemble

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Apos Ensembles are equipment bundles that have been specially curated by our team of audio professionals. Just as an ensemble refers to a group of musicians playing together, each of our ensembles is a coordinated group of equipment that we’ve brought together to form a superior listening experience.

Meet the TOPPING-50s Series Ensemble

The TOPPING-50s Series Ensemble is a supergroup of performers. The Topping D50s DAC and the Topping A50s amp work in perfect harmony, decoding and driving music above a dizzyingly low noise floor. A TOPPING P50 power supply supplies ultra-quiet energy in a stackable aluminum chassis, while an Apos Flow RCA cable connects the DAC and Amp.

The TOPPING-50s Series Ensemble includes:

Spec Summary

Note: For full specs, please visit the individual product pages.

Topping D50s DAC

  • Input: USB/OPT/COAX/BT
  • Line Out: RCA
  • USB In:
    • 44.1kHz-768kHz/16bit-32bit
    • DSD64-DSD512(Native)
    • DSD64-DSD256(Dop)
  • OPT/ COAX In: 44.1kHz-192kHz/16bit-24bit, DSD64(Dop)

Topping A50s Headphone Amp

  • THD+N @1 kHz A-wt: <0.00007%
  • SNR @MAX OUT 1 kHz A-wt: 144dB
  • Frequency Response: 20Hz-200kHz(±0.05dB)
  • Output Level: 42Vpp
  • Channel Crosstalk @ 1kHz: -128dB
  • Output Impedance: <0.1Ω
  • Output Power THD+N<1%: 3.5Wx2@32Ω

Topping P50 Linear Power Supply

  • Power Input: AC110V/AC220V 50Hz/60Hz
  • Power Output: USB-A*2,DC(5.5/2.1)*1
  • Power Supply Noise:<1mVrms
  • Output Power:
    • DC5V 1A*2
    • DC15V 1A
    • DC5V 1A*1+DC15V 0.9A
    • DC5V 0.8A*2+DC15V 0.8A

Apos Flow RCA Cable

  • ROXTONE black gold-plated lotus RF2C-BG male plug
  • CANARE two-core audio cable L-2E5AT
  • Number of conductors: 2
  • Standard wire diameter: 5mm+0.5
  • Conductor cross-sectional area: 0.31mm/23AWG
  • Number of conductor copper wires: 12
  • Conductor copper wire diameter: 0.18mm
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