Apos TOPPING-90 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-90 Series Ensemble

The TOPPING-90 Series Ensemble is a supergroup of performers. The Topping D90SE/D90LE DAC and the Topping A90 Discrete work in perfect harmony, decoding and driving music above a pitch-black backdrop. An Apos Flow XLR cable connects the two with pure-copper clarity.

The TOPPING-90 Series Ensemble includes:

Spec Summary

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

Topping D90SE/D90LE DAC
  • ESS SABRE ES9038 PRO DAC chip
  • 2nd generation 16-core XMOS XU216 processor
  • Max sampling rates: DSD1024 and PCM 32-bit/768kHz
  • Bluetooth 5.0 support with LDAC transmission
  • 0.00005% THD+N
  • MQA decoding with USB, coaxial, optical, and AES inputs
  • Selectable RCA & XLR outputs
  • Inputs: AES, Bluetooth, USB, Optical, Coaxial, IIS
  • Outputs: XLR, RCA
  • Customized Thesycon driver
  • Ultra low noise preamp
  • Remote control
  • 7 digital filters
Topping A90 Discrete Headphone Amp
  • Headamp/pre-amp
  • NFCA discrete modules
  • 9800mW x2 output power
  • Outputs: 4-pin XLR, 4.4 balanced, 6.35mm SE
  • R2R relay volume control
  • Ground loop noise terminator
  • 12V trigger interface
  • 2 gain settings
  • <0.000055% THD+N
  • 145dB DNR
Apos Flow XLR Cable
  • Imported Japanese copper conductor
  • 4-core audio wire
  • A copper lattice braid with 94% density effectively shields the conductor from electromagnetic interference
  • Each core made of 60pcs of 0.08mm copper wire
  • Neutrik terminations

TOPPING SR2 Aluminum Rack (Add on)

  • All-aluminum design
  • Shock-absorbing, non-slip foot pads
  • Excellent load-bearing capacity
  • Modular (stack multiple SR2 units)
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