FOSI AUDIO DS2 Headphone Amplifier Portable DAC

3/4 front view of the FOSI AUDIO DS2
The Fosi Audio DS2, the evolution of the DS1, is an extremely compact headphone amplifier/portable DAC. It's ideal for enjoying superior sound reproduction with a source such as a smartphone, tablet or your laptop. In fact, it incorporates two CS43131 DAC/headphone amplifier chips and a SA9312 USB interface. This enables the Fosi Audio DS2 to support high-resolution streams up to PCM 32bit 384kHz and DSD256, all with a THD+N of 0.001% and an SNR of 130dB.

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Reference : 18859
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64,90 €tax incl.

54,08 € tax excl.
Including 0,05 € for green tax

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Shipping date: 15-10-2024.

Orders placed before 12h (GMT+1) will generally be shipped the same day (working day).

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Facturation France
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2 Years warranty
 
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FOSI AUDIO DS2 Headphone Amplifier Portable DAC 2x CS43131 Balanced 32bit 384kHz DSD256

Fosi Audio DS2 picture

The Fosi Audio DS2, the evolution of the DS1, is an extremely compact headphone amplifier/portable DAC. It's ideal for enjoying superior sound reproduction with a source such as a smartphone, tablet or your laptop. In fact, it incorporates two CS43131 DAC/headphone amplifier chips and a SA9312 USB interface. This enables the Fosi Audio DS2 to support high-resolution streams up to PCM 32bit 384kHz and DSD256, all with a THD+N of 0.001% and an SNR of 130dB.
Moreover, the DS2's output power enables it to drive most headphones on the market with impedances ranging from 16 ohm to 300 ohm. It delivers 130mW under 32 ohms on its 3.5mm jack output and 510mW under 32ohm on its 4.4mm balanced jack output. In addition to its USB-C input and headphone outputs, the DS2 features a 60-step volume control accessible via two control buttons located on one of its sides. Finally, it is compatible with a large number of plug-and-play systems such as Android, IOS and Windows.

Fosi Audio SD2 test by Audio Science Review (Amir)

The Fosi DS2 blows away the objective barriers for a portable DAC and headphone amplifier, producing desktop class noise and distortion. Hard to imagine this little device doing that but it clearly is, and doing it at such a reasonable cost! If you are short of space, the DS2 can easily play the role of a desktop DAC.

Technical characteristics

Specifications
Product typePortable DAC headphone amplifier
Chipset2x Cirrus Logic CS43131
1x USB interface SA9312
Inputs1x USB-C
Outputs1x 3.5mm headphone output
1x 4.4mm balanced headphone output
Supported sample ratesPCM 32bit 384kHz, DSD256
Recommended headphone impedance32Ω-300Ω
Volume control
4.4MM JACK BALANCED HEADPHONE OUTPUT MEASUREMENTS
Output power510mW (@32ohm)
Frequency response20Hz-20kHz
SNR130dB
Dynamic range130dB
THD0.0001%
Noise level1.6uV
Crosstalk117dB
SINAD106dB
3.5MM JACK HEADPHONE OUTPUT MEASUREMENTS
Output power130mW (@32ohm)
Frequency response20Hz-20kHz
SNR130dB
Dynamic range126dB
THD0.0001%
Noise level1uV
SINAD109dB
General
Dimensions53 xd 19 x 12mm
Net weight15g
ColorGrey
Package1x FiiO DS2 portable DAC headphone amplifier
1x USB-C to USB-C cable
 
Data sheet
InputUSB
OutputJack 3.5mm
OutputJack 4.4mm
DAC / ADC ChipCS43131
Max sampling rate384kHz
Max sampling rateDSD256
ColorGray
ClassN/A
NetworkingNo
Remote ControlNo
 
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FOSI AUDIO DS2 Headphone Amplifier Portable DAC 2x CS43131 Balanced 32bit 384kHz DSD256
The Fosi Audio DS2, the evolution of the DS1, is an extremely compact headphone amplifier/portable DAC. It's ideal for enjoying superior sound...

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