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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 type | Headphone cable Portable DAC |
| Connectors | 1x USB-C 2x CIEM 0.78mm |
| Length | 1.2m |
| DAC chip | ES9281AC PRO |
| Supported sampling rates | PCM up to 32bit 384kHz DSD up to DSD128 MQA |
| Frequency response | 20Hz-40kHz |
| Sensitivity | 108dB |
| Impedance | 32Ω |
| Signal-to-noise ratio (SNR) | 118dB |
| Dynamic range | 122dB |
| Total harmonic distortion (THD) | 0.0012% |
| Output power | 2x70mW @ 32Ω |
| Conductive material | OFC copper |
| General | |
|---|---|
| Color | Black Blue |
| Weight | 16g |
| Package | 1x Hidizs ST2 Pro USB-A to USB-C adapter |
| Input | USB |
| Output | CIEM 0.78 |
| DAC / ADC Chip | ES9281AC |
| Max sampling rate | 384kHz |
| Max sampling rate | DSD128 |
| Color | Black |
| Color | Blue |
| Length (m) | 1.2 |
| Shielding | No |
| Section (mm²) | N/A |
| Connector | USB-C |
| Connector | CIEM 0.78mm |
| Networking | No |
| Remote Control | No |
| Conductors material (Cable) | Copper |
| Conductors Plating (Cable) | None |