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Ensemble, assemble!
Apos Ensembles are the Avengers of audio gear—bundles assembled by our team of audio dorks to save your ears from the forces of mediocre sound. Each bundle is like a squad of supers, with every piece of equipment playing its part to deliver an unbeatable listening experience: a DAC to decode the 1s and 0s, an amp to power up the audio, and all the interconnections necessary to bring the team together.
Meet the TOPPING-90 Series Ensemble
The Apos TOPPING-90 Ensemble is a bundle designed to provide you with a premium audio setup straight out of the box. At the heart of this ensemble are the TOPPING 90 III DAC and the TOPPING A90 Discrete Amp—a dynamic duo that's basically the Ensemble’s very own Iron Man and Captain America.
The TOPPING D90 III Sabre Fully-Balanced HIFI DAC features dual ES9039SPRO DAC chips for exceptional audio performance with 135dB SNR and <0.000045% THD+N. It includes advanced CPLD processing for minimal jitter, Bluetooth 5.1 for high-resolution wireless audio, and versatile output modes with both XLR and RCA options. The D90 III is compatible with various operating systems and offers a 12V trigger for convenient chaining of TOPPING devices.
The TOPPING A90 Discrete Headphone Amp features an NFCA module for ultra-low distortion and noise, offering a powerful output of 9800mW x2. It supports both balanced and single-ended headphones with outputs including 4-pin XLR, 4.4 balanced, and 6.35mm SE. The amp also includes features like an R2R volume control, ground loop noise terminator, and a 12V trigger interface for seamless integration with other audio equipment.
Products in this bundle
TOPPING D90 III DAC
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)
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