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Compact silver desktop DAC and headphone amp with 6.35 mm and 4.4 mm jacks

SMSL Audio

SMSL Audio DS100 USB MQA DAC CS43131 6.35mm 4.4mm Headphone Amplifier

SKU CH-81MM-XBN63

USB DAC and headphone amplifier with CS43131 chip, MQA decoding, 32-bit/768 kHz PCM, DSD256, 6.35 mm and 4.4 mm outputs, 0.00017 % THD

  • MQA and MQA-CD decoding for studio-authentic sound
  • CS43131 chip delivers 0.00017 % distortion at -115 dB
  • XMOS XU-316 handles 32-bit/768 kHz PCM and DSD256
  • Dual headphone outputs: 6.35 mm and 4.4 mm balanced
  • CK-03 clock circuit plus low-noise LDO supply cuts jitter

SMSL DS100 MQA DAC Headphone Amplifier

The SMSL DS100 is a desktop USB DAC and headphone amplifier built around the Cirrus Logic CS43131 chipset and XMOS XU-316 USB controller. It handles PCM up to 32bit/768kHz and DSD256 plus MQA and MQA-CD decoding. Optical and coaxial inputs accept DoP64. A CK-03 clock circuit and low-noise LDO supply power the analog stage. It is suited for listeners who want a compact, high-resolution source for wired headphones.

Who this suits and who should look elsewhere

This unit suits desktop users who need a single box that decodes MQA, drives demanding headphones from both 6.35mm and 4.4mm balanced outputs, and connects via USB, optical or coaxial. Buyers who require Bluetooth streaming, speaker-level outputs, or multi-channel surround decoding will not find those functions here.

Deciding specification: 0.00017% THD (-115dB)

The measured total harmonic distortion of 0.00017% (-115dB) is the figure that shows whether the DS100 meets your transparency target. If your headphones and ears demand distortion below that threshold, this DAC amplifier meets it; if you need even lower noise floor for measurement-grade work, you will need a different device.

Highlights

  • MQA and MQA-CD decoding for studio-authentic sound
  • CS43131 chip delivers 0.00017 % distortion at -115 dB
  • XMOS XU-316 handles 32-bit/768 kHz PCM and DSD256
  • Dual headphone outputs: 6.35 mm and 4.4 mm balanced
  • CK-03 clock circuit plus low-noise LDO supply cuts jitter

Specifications

No published specifications for this item yet.

Questions about this item

Which headphone output should I choose between the 6.35mm and 4.4mm jacks?

Use the 4.4mm balanced output for headphones with a matching cable to benefit from the CS43131's full differential performance and the 0.00017% THD figure. The 6.35mm single-ended jack is best for standard unbalanced headphones.

What does the 0.00017% distortion figure mean when I am actually listening?

At -115dB THD+N the CS43131 adds virtually no audible artefacts, so you hear the recording with studio-level transparency rather than coloration from the DAC itself.

What does the XMOS XU-316 USB interface cap at for PCM and DSD?

The XU-316 handles PCM up to 32bit/768kHz and native DSD256 over USB, while coaxial and optical inputs accept DoP64.

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