Apos TOPPING-90 Ensemble

Regular price
Sale price
Regular price
Sold out
Unit price

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.


  • Dual ES9039SPRO chips for superior audio quality
  • Advanced CPLD processing for minimal jitter
  • Innovative I/V conversion circuit for clarity
  • Authentic sound reproduction with ultra-low THD+N
  • High-resolution wireless audio with Bluetooth 5.1
  • Universal compatibility for easy setup
  • Versatile output modes with XLR and RCA options
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)
Go to full site