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 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:

• DAC: TOPPING D90SE/D90LE DAC
• Amp: Topping A90 Headphone Amp
• Interconnection: Apos Flow XLR Cable

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 Headphone Amp

• Outputs: 4pin XLR, 4.4mm Balanced, 6.35mm Single Ended ports
• Dynamic Range: 145dB
• Ultra-Low Noise of 0.2uV

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