HIDIZS ST2 PRO USB-C to 0.78mm CIEM Headphone Cable

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The Hidizs ST2 Pro earphone cable features an ES9281AC PRO DAC chip capable of processing PCM signals up to 32-bit/384 kHz as well as DSD128. This compatibility extends to MQA decoding to take advantage of compatible streaming catalogues. In terms of measured performance, the amplifier delivers 70 mW per channel under 32 Ω with a harmonic distortion rate of 0.0012%, while the signal-to-noise ratio reaches 118 dB and the dynamic range 122 dB, ensuring accurate reproduction even on the most nuanced passages.
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Reference : 21357
New product

64,90 €tax incl.

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

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Shipping date: 17-12-2025.

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

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Facturation France
SAV France

2 Years warranty
 
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Hidizs ST2 Pro USB-C to 0.78mm CIEM Headphone Cable DAC ES9281AC PRO 32bit 384kHz DSD128

Hidizs ST2 Pro : Front view


The Hidizs ST2 Pro earphone cable features an ES9281AC PRO DAC chip capable of processing PCM signals up to 32bit 384kHz as well as DSD128. This compatibility extends to MQA decoding to take advantage of compatible streaming catalogues. In terms of measured performance, the amplifier delivers 70mW per channel under 32Ω with a harmonic distortion rate of 0.0012%, while the signal-to-noise ratio reaches 118dB and the dynamic range 122dB, ensuring accurate reproduction even on the most nuanced passages.

Technical characteristics

Specifications
Product typeHeadphone cable
Portable DAC
Connectors1x USB-C
2x CIEM 0.78mm
Length1.2m
DAC chipES9281AC PRO
Supported sampling ratesPCM up to 32bit 384kHz
DSD up to DSD128
MQA
Frequency response20Hz-40kHz
Sensitivity108dB
Impedance32Ω
Signal-to-noise ratio (SNR)118dB
Dynamic range122dB
Total harmonic distortion (THD)0.0012%
Output power2x70mW @ 32Ω
Conductive materialOFC copper
General
ColorBlack
Blue
Weight16g
Package1x Hidizs ST2 Pro
USB-A to USB-C adapter
 
Data sheet
InputUSB
OutputCIEM 0.78
DAC / ADC ChipES9281AC
Max sampling rate384kHz
Max sampling rateDSD128
ColorBlack
ColorBlue
Length (m)1.2
ShieldingNo
Section (mm²)N/A
ConnectorUSB-C
ConnectorCIEM 0.78mm
NetworkingNo
Remote ControlNo
Conductors material (Cable)Copper
Conductors Plating (Cable)None
 
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HIDIZS ST2 PRO USB-C to 0.78mm CIEM Headphone Cable DAC ES9281AC PRO 32bit 384kHz DSD128
The Hidizs ST2 Pro earphone cable features an ES9281AC PRO DAC chip capable of processing PCM signals up to 32-bit/384 kHz as well as DSD128. This...

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