SMSL D-6S MQA Audio DAC (Apos Certified)

$169.15 $199

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This is an Apos Certified product. That means it's refurbished, like new, eligible for our 45-day return policy, carries an Apos Certified One-Year Warranty, and ships from our US facility. Currently, Apos Certified products are only available to customers with a US shipping address. We appreciate your understanding as we aspire to expand our offerings to a broader audience in the future.

<$200 MQA

Dive deep into the world of hi-res audio with the SMSL D-6S MQA Audio DAC—a game changer in the budget DAC world. Featuring cutting-edge technology like the ES9039Q2M DAC and the latest XMOS XU-316 USB controller, this device is positioned to be a favorite amongst audiophiles.

This DAC means business

The incorporation of the ESS high-end DAC chip ES9039Q2M takes sound reproduction to another level. With unparalleled precision and clarity, it’s like being at a live concert from the comfort of your listening room.

Power, but whisper-quiet

The built-in specialty designed low-noise switching power supply guarantees your music remains clear and distortion-free. Enjoy the beats without any unnecessary noise interference.

Connect, play, repeat

The multiple input ports, from USB to optical, not only support MQA and DSD but also DoP64 on coaxial and optical. Whether you're streaming or playing CDs, the D-6S has got you covered.

Go wireless with finesse

With the Qualcomm Bluetooth 5.1 chip, the D-6S offers superior wireless connectivity. Bluetooth codecs like LDAC and aptX ensure that you can play your favorite tracks wirelessly without compromising on quality.

Taking control

The inclusion of a remote control allows you to navigate your music effortlessly. So, sit back, relax, and let the D-6S take you on an audio journey.

Product highlights

  • New ESS high-end DAC chip ES9039Q2M for precise sound reproduction
  • Reduced clock jitter with efficient audio clock processing circuit
  • Built-in specialty designed low-noise switching power supply
  • Multiple input ports supporting MQA, DSD, and DoP64
  • Qualcomm Bluetooth 5.1 chip for enhanced wireless streaming
  • High-quality gold-plated input and output connectors
  • User-friendly remote control for easy navigation


  • Inputs: USB, optical, coaxial, Bluetooth
  • Outputs: RCA, XLR
  • THD+N: 0.00006% (-123dB)
  • Line output amplitude:
    • XLR: 5Vrms
    • RCA: 2.5Vrms (1.13Vrms)
  • Output impedance: XLR: 100Ω
  • Dynamic range:
    • XLR: 129dB
    • RCA: 126dB
  • SNR:
    • XLR: 129dB
    • RCA: 126dB
  • USB transmission: Asynchronization
  • USB compatibility: Windows 7, 8, 8.1, 10, 11 (needs driver); Mac OS X 10.6 or later, Linux (driverless)
  • Sampling rate and bit depth:
    • USB:
      • PCM: 44.1-768kHz (32bit)
      • DSD: 2.8224-22.5792MHz (1bit)
      • DoP: DOP256
    • Optical/coaxial: 44.1-192kHz (24bit); DoP64
  • Bluetooth version: 5.1
  • Bluetooth codecs: SBC, AAC, aptX, aptX HD, LDAC
  • Power consumption: <10W
  • Standby power: <0.5W
  • Size: 150x42x128.5mm (WxHxD)
  • Weight: 1.57lbs (0.71kg)

What's included

  • SMSL D-6S MQA Audio DAC unit
  • Remote control
  • Power cable
  • User manual
Apos Certified

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