Apos TOPPING 50s Ensemble

$549.99 $605.96

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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-50s Series Ensemble

The TOPPING-50s Series Ensemble is a super group of performers. The Topping D50s DAC and the Topping A90s amp work in perfect harmony, decoding and driving music above a dizzyingly low noise floor. A TOPPING P50 power supply supplies ultra-quiet energy in a stackable aluminum chassis, while a Fanmusic C003 connects the DAC and Amp. 

Accompanying them is one of five pairs of headphones: the Dan Clark Audio Æon 2, the QUAD ERA-1 Planar Magnetic, the HIFIMAN Arya, the HIFIMAN, HE1000v2, or the HIFIMAN Ananda. 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-50s Series Ensemble Includes

Spec Summary

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

Topping D50s DAC

  • Input: USB/OPT/COAX/BT

  • Line Out: RCA

  • USB In:

    • 44.1kHz-768kHz/16bit-32bit

    • DSD64-DSD512(Native)

    • DSD64-DSD256(Dop)

  • OPT/ COAX In: 44.1kHz-192kHz/16bit-24bit, DSD64(Dop)


Topping A90s Headphone Amp

  • THD+N @1 kHz A-wt: <0.00007%

  • SNR @MAX OUT 1 kHz A-wt: 144dB

  • Frequency Response: 20Hz-200kHz(±0.05dB)

  • Output Level: 42Vpp

  • Channel Crosstalk @ 1kHz: -128dB

  • Output Impedance: <0.1Ω

  • Output Power THD+N<1%: 3.5Wx2@32Ω

Topping P50 Linear Power Supply

  • Power Input: AC110V/AC220V 50Hz/60Hz

  • Power Output: USB-A*2,DC(5.5/2.1)*1

  • Power Supply Noise:<1mVrms

  • Output Power:

    • DC5V 1A*2

    • DC15V 1A

    • DC5V 1A*1+DC15V 0.9A

    • DC5V 0.8A*2+DC15V 0.8A

Fanmusic C003 Cable:

  • Material: Black gold-plated ROTONE RF2C-BG male plug, two-core braided audio cable L-2E5AT of CANARE

  • Core DC resistance: 6.2Ω/100m

  • Insulation voltage: 500V AC * 1 minute

  • Conductor insulation layer: XLPE polyethylene

  • Shielding: Tinned copper twisted and high-density aluminum foil

  • Shell material: Soft PVC/Neoprene composite

  • Wire length: 25cm (excluding plug)

  • Contact: Brass

  • Contact plating: Gold

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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