Apos TOPPING-90 Ensemble

$1,899.99 $2,168.97

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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 D90 DAC and the Topping A90 work in perfect harmony, decoding and driving music above a pitch-black backdrop. A Fanmusic C006 XLR cable connects the two with pure-copper clarity. 

Accompanying them is one of six pairs of headphones: the Meze Audio Empyrean Open Back, the Dan Clark Audio Æon 2, the QUAD ERA-1 Planar Magnetic, the HIFIMAN Arya, the HIFIMAN, HE1000v2, or the HIFIMAN Ananda. The Empyrean dazzles with state-of-the-art comfort, warmth, and incomparably sweet mids. The Æon 2 delivers a spotlit performance with its vast soundstage and micro-detail retrieval. The QUAD ERA-1 captivates with rapid, clarified bass and impeccable transparency. The Arya enthralls with rapid, clean low-end and airy, clarified high-end. The HE1000v2 stuns with its energetic and intimate sound signature. The Ananda mesmerizes with detail retrieval and image distinction.

The TOPPING-90 Series Ensemble Includes

Spec Summary

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

Topping D90 MQA DAC:

  • D/A Chip: AKM AK4499

  • USB Interface: XMOS XU208

  • SPDIF Interface: AK4118

  • Sampling Rates

    • USB: PCM up to 32bit 768kHz / Native DSD up to DSD512 / DSD DoP up to DSD256

    • IIS : PCM up to 32bit 768kHz / DSD up to DSD512
      Coaxial, Optical, AES : PCM up to 24bit 192kHz

  • Output Voltage

    • RCA : 2Vrms @ 0dBFS

    • XLR : 4Vrms @ 0dBFS

  • Dynamic Range (A-weighting): 128 dB

Topping A90 Headphone Amp

  • Outputs: 4pin XLR, 4.4mm Balanced, 6.35mm Single Ended ports

  • Dynamic Range: 145dB

  • Ultra-Low Noise of 0.2uV

Fanmusic C006

  • Material: Two-core braided HiFi line L-2T2S of CANARE

  • Jack: Black Gold-Plated NC3MXX-B and NC3FXX-B of NEUTRIK

  • Wire Length: 20cm (excluding plug)

  • Conductor Insulation Layer: XLPE polyethylene

  • Shielding Material: 80 x 0.1mm braided copper wire

  • Shell Material: Soft PVC/neoprene

Meze Audio Empyrean Open Back Headphone

  • Driver Type: Rinaro Isodynamic Hybrid Array

  • Operating Principle: Open

  • Ear Coupling: Circumaural

  • Frequency Response: 4 - 110,000 Hz

  • Impedance: 31.6 Ω

  • Nominal SPL: 100 dB (1 mW / 1 kHz)

  • Maximum SPL: > 130 dB

  • THD: < 0.1%

Dan Clark Audio Æon 2:

  • Efficiency: 92dB

  • Impedance: 13ohms

  • Cable: Detachable 2m premium dual-entry cable with 1/4" termination

  • Weight: 340g

QUAD ERA-1 Planar Magnetic Headphone:

  • Impedance: 20 ohms

  • Sensitivity: 94db/mW

  • Frequency Response Range: 10 Hz - 40 kHz

  • Total Harmonic Distortion: ≤0.2% (1kHz,100dB)

  • Related Input Power: 100mW

  • Weight: 420g (without cable)


  • Type: Open Back

  • Driver: Planar Magnetic

  • Frequency Response: 8Hz-65kHz          

  • Impedance: 35Ω

  • Sensitivity: 90dB  

  • Cable: 1.5m Crystalline Copper Cable

  • Weight: 14.3oz (404g)


  • Type: Open Back

  • Driver: Planar Magnetic

  • Frequency Response: 8Hz-65kHz           

  • Impedance: 35W

  • Sensitivity: 90 dB               

  • Weight: 14.8 oz (420g)


  • Type: Open-back

  • Driver: Planar Magnetic

  • Frequency Response: 8Hz-55KHz           

  • Impedance: 25Ω

  • Sensitivity: 103dB               

  • Weight: 14.7oz (399g)

  • Includes: 1.5m cable (3.5mm), 3m cable (6.35mm)

Got a question about Apos Ensembles? Check out the help center.

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