SMSL DS20 Portable DAC Headphone Amplifier

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The SMSL DS20 is a portable DAC and headphone amplifier distinguished by its cutting-edge audiophile performance and singular aesthetics. It is based on an advanced architecture incorporating four CS43131 DAC chips and an XMOS XU316 USB interface. This combination enables it to handle high-resolution audio streams up to PCM 32bit 768kHz, DSD256, and MQAx8 decoding. To guarantee absolutely accurate conversion, the SMSL DS20 also incorporates its own high-precision clock circuit, minimizing distortion and jitter.

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Reference : 20764
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199,00 €tax incl.

165,83 € tax excl.
Including 0,05 € for green tax

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2 Years warranty
 
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SMSL DS20 Portable DAC Headphone Amplifier CS43131 XMOS XU316 32bit 768kHz DSD256 MQA

Photo of SMSL DS20

The SMSL DS20 is a portable DAC and headphone amplifier distinguished by its cutting-edge audiophile performance and singular aesthetics. It is based on an advanced architecture incorporating four CS43131 DAC chips and an XMOS XU316 USB interface. This combination enables it to handle high-resolution audio streams up to PCM 32bit 768kHz, DSD256, and MQAx8 decoding. To guarantee absolutely accurate conversion, the SMSL DS20 also incorporates its own high-precision clock circuit, minimizing distortion and jitter.

Its headphone amplifier circuit is a fully symmetrical PLFC (Precision Linear Feedback Circuit). This design minimizes distortion, reduces crosstalk and offers a better dynamic range for immersive listening. This amplification circuit delivers an impressive output power of 2x 500mW at 32 ohms and up to 2x 60mW at 600 ohms, capable of driving a wide range of headphones and in-ear monitors (IEMs) on the market.

In terms of connectivity, the SMSL DS20 offers the essentials, with a USB-C input and two headphone outputs: 3.5mm jack (unbalanced) and 4.4mm jack (balanced). A major advantage for portability is its integrated 6000mAh (22.2Wh) 3.7V battery, guaranteeing autonomy of over 10 hours.

SMSL DS20 highlights

SMSL DS20: Quad DAC CS43131 and USB XMOS XU316 interface

The SMSL DS20 benefits from audiophile components, including four CS43131 DAC chips and an XMOS XU316 USB interface. As a result, it supports high-resolution sampling rates up to PCM 32bit 768kHz, DSD256 and MQAx8.

Photo of DAC CS43131 chip
SMSL DS20 circuit

SMSL DS20: balanced PLFC circuitry

In addition to supporting high-resolution sampling rates, the DS20 offers output power to drive headphones with impedances from 16 ohm to 600 ohm.

SMSL DS20 power table
ImpedancePower
16 ohm2x 500mW
32 ohm2x 500mW
64 ohm2x 350mW
150 ohm2x 240mW
300 ohm2x 120mW
600 ohm2x 60mW

SMSL DS20: extensive compatibility

The DS20 has two USB operating modes. In fact, it can operate in USB 2.0 or USB 1.1, making it compatible with devices such as computers, phones and video game consoles: PS5, PS4, Nintendo Switch, etc.

SMSL DS20 compatibility

SMSL DS20 overview

SMSL DS20 overview
1Multifunction button
2Power ON/OFF
3USB-C input / Charging port (5V 3A / 9V 2A / 12V 1.5A)
43.5mm jack headphone output
5Balanced 4.4mm jack headphone output

Technical characteristics

Specifications
Product typeDAC Headphone amplifier
DAC chip4x CS43131
Inputs1x USB-C
Outputs1x Single-ended 3.5mm jack headphone output
1x Balanced 4.4mm jack headphone output
Supported sample ratesPCM up to 32bit 768kHz
DSD up to DSD256
MQAx8
Output power2x500mW @ 16 ohm
2x500mW @ 32 ohm
2x350mW @ 64 ohm
2x240mW @ 150 ohm
2x120mW @ 300 ohm
2x600mW @ 600 ohm
Output level3.5mm jack: 3Vrms
4.4mm jack: 6Vrms
Output impedanceNear de 0 ohm
THD+N0.0002% (@ 300 ohm)
Dynamic range3.5mm jack: 126dB
4.4mm jack: 126dB
SNR3.5mm jack: 126dB
4.4mm jack: 126dB
USB compatibilityWindows 7/8/8.1/10/11, Android, IOS, Mac OSX, Linux
PS4, PS5, Nintendo Switch
USB transmissionAsynchronous
General
Power supply5V 3A / 9V 2A / 12V 1.5A via USB-C
Battery6000mAh (22.2Wh)
Dimensions71 x 17 x 118.5mm
Weight275g
ColorSilver
Package1x SMSL DS20
SMSL DS20 measurements
 
Data sheet
InputUSB
OutputJack 3.5mm
OutputJack 4.4mm
DAC / ADC ChipCS43131
Max sampling rate768kHz
Max sampling rateDSD256
ColorSilver
ClassN/A
NetworkingNo
Remote ControlNo
 
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SMSL DS20 Portable DAC Headphone Amplifier CS43131 XMOS XU316 32bit 768kHz DSD256 MQA
The SMSL DS20 is a portable DAC and headphone amplifier distinguished by its cutting-edge audiophile performance and singular aesthetics. It is...

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