Apos SMSL M500 V2 Ensemble

$999.99 $1,198.99

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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 SMSL M500 Ensemble

The star of the SMSL M500 ensemble is, of course, the SMSL M500, a “dream come true” DAC/Amp that delivers MQA-quality tracks against a fully transparent backdrop. 

Accompanying it 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 SMSL M500 Ensemble Includes

Spec Summary

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


  • Inputs: USB / Optical x 2 / Coaxial

  • Outputs: RCA Headphone Amplifier/ RCA /XLR

  • THD+N: 0.00015%

  • SNR: 120dB

  • Bit depth:

    • USB: 1bit, 16 ~ 32bit

    • Optical/Coaxial: 1bit, 16 ~ 32bit

  • Sampling Rate:

    • USB PCM: 44.1 ~ 768kHz

    • USB DSD: 2.8224 ~ 22.5792MHz

    • Optical / Coaxial PCM: 44.1 ~ 192kHz

    • Optical / Coaxial DSD: DSD64(DoP)

  • Headphone Amplifier Output Power: 570mW(32Ω), 290mW(64Ω), 125mW(150Ω), 65mW(300Ω)

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)

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