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A Mini DAC designed for desktop

The SMSL D-6 arrives hot on the heels of SMSL’s other mini DAC, the SU-6. The biggest difference between these models is that the D-6 is fully balanced, whereas the SU-6 is not. The D-6 features dual DAC chips and balanced TRS outputs for seamless connection to a balanced amplifier.

The return of AKM

With dual AKM DAC chips and a 2nd gen XMOS chip, the D-6 DAC supports balanced audio of up to 32-bit/768kHz PCM and DSD512.

Bluetooth 5.1

A built-in high-end QCC5125 Bluetooth 5.1 chip supports SBC, AAC, aptX, aptX HD, and LDAC. The corresponding format will be displayed on screen for convenience.

RCA and TRS balanced outputs

Attach a single-ended amplifier via RCA or go fully balanced with TRS balanced outputs.

Product highlights

  • Dual AKM AK4493s DAC chips
  • DSD512
  • PCM 32-bit/768kHz
  • Ultra-low jitter
  • 2nd generation asynchronous XMOS
  • Built-in low noise power
  • CNC aluminum alloy shell 
  • Full-featured remote control


  • Inputs: USB, OPT, Coaxial, Bluetooth
  • Outputs: RCA, TRS
  • Output indexes
    • TRS: 4.0 Vrms
    • RCA: 2.0 Vrms
  • THD+N
    • Weighted: 0.00011% (118.5dB)
    • A-weighted: 0.0001% (119.5dB)
  • Dynamic range
    • TRS: 123dB
    • RCA: 120dB
  • SNR
    • TRS: 122dB
    • RCA: 119dB
  • USB transmission: Asynchronous
  • USB compatibility: Windows 7/ 8/ 8.1/ 10/ Mac OSX 10.6/ Linux
  • Bit depth
    • USB: 1bit - 32bit
    • Opt/Coax: 16bit - 24bit
  • Sampling
    • USB
      • PCM: 44.1kHz - 768kHz
      • DSD: 2.8224 - 22.5792MHz
    • Opt/Coax: 32kHz - 192kHz
  • Power consumption: 2W
  • Standby consumption: <0.1W
  • Size: 5.8” x 1.08” x 4.4” (148 x 27.5 x 112.8mm)
  • Weight: 0.99lbs (450g)

Apos Promise

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