SMSL SU-8s High Resolution ESS DAC (Digital-to-analog converter)


Dang it.

The SMSL SU-8s has reached its end of life. Fortunately, we have a great alternative, the TOPPING D30 Pro.

The down-to-earth DAC

The SU-8s is the refreshingly straightforward new DAC from SMSL. Who’s it for? The research-weary. The comparison-chart-chafed. The do-I-look-like-I-know-what-a-PCM-filter-is. It’s a DAC that remembers what a DAC should do: decode the highest song files on the planet, and do it well (really, really well). And that’s it. Oh, and it’s got a nice remote.

Explore high quality 

The world of hi-res is yours to explore, whether through a streaming service like TIDAL or Spotify, a digital library, or a collection of CDs. The SU-8s can decode virtually everything with class-leading dynamic range and signal-to-noise ratio thanks to an ESS ES9068AS chip and a 16-core XMOS processor.

HD Bluetooth

The SU-8s supports Bluetooth 5.0 reception, with support for SBC/ AAC/ aptX/ atpX-HD.

Three inputs, two outputs

Connect a TV, laptop, gaming console, or other device to the SU-8s via its three inputs, and then run a connection to an amplifier or pre-amp via XLR or RCA outputs. 

Go deeper (into your couch)

A full-function remote control prevents you from having to get off the couch and fiddle with knobs. Access the SU-8s’ full menu, including volume, input, and brightness, quickly and effortlessly. 

Product highlights

  • ESS ES9068AS DAC chip 
  • DSD512 support
  • PCM 32bit/768kHz
  • Qualcomm aptX Bluetooth supports aptX, aptX HD, SBC, AAC
  • XMOS 16 core processor
  • Full MQA support
  • Three inputs: USB, optical, coax, Bluetooth
  • Two outputs: RCA, XLR
  • All audio inputs support DSD
  • CNC aluminum alloy shell
  • Tempered glass display panel
  • Bluetooth 5.0
  • Full function remote


  • Inputs: USB, coax, optical, Bluetooth
  • Outputs: RCA, XLR
  • THD+N: 0.00009% (-121dB)
  • Dynamic range
    • XLR: 126dB
    • RCA: 125dB
  • SNR: 126dB
  • Output impedance: <10Ω
  • USB transmission: Asynchronization
  • USB compatibility: Windows 7/8/8.1/10, Max OSX, Linux
  • Bit depth
    • USB 1bit, 16-32bit
    • Optical/coaxial 1bit, 16-24bit
  • Sampling rate
    • USB: PCM 44.1 - 768kHz, DSD 2.8224 - 22.5792MHz
    • Optical/coax: PCM 44.1 - 192kHz, DSD64(DoP)
  • Bluetooth version: 5.0
  • Supported Bluetooth codecs: aptX, aptX HD, SBC, AAC
  • Power consumption: 5W
  • Standby power: 0.5W
  • Size: 7.3 x 6 x 1.5” (187.5 x 154 x 40mm) 
  • Weight: 1.74lbs (0.79kg)

What’s included

  • SMSL SU-8s
  • Bluetooth antenna
  • Rubber feet x 4
  • Warranty card
  • USB cable
  • Power cable
  • Remote control

What pairs well

  • SMSL SH-8s

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SMSL SU-8s High Resolution ESS DAC (Digital-to-analog converter) User Manual Download

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