Aune S9c Pro: Reference DAC and Balanced Headphone Amplifier. Representing Aune's latest generation DAC with a headphone amplifier, the S9c Pro is the result of a 2-year development process. It incorporates features such as full clock synchronization, the second generation of an ultra-low-jitter PLL core, two uniquely designed filter modes with a proprietary algorithm, Dual-ES9068A DAC chips, and a fully discrete headphone amplifier delivering an impressive output power of up to 5W.
The Aune S9c Pro offers a comprehensive range of connectivity options:
Headphone outputs: Single-Ended (SE) 6.35mm / Balanced (BAL) 4.4mm, XLR
Inputs: USB, Coaxial, Optical, AES (*USB not compatible with iPhone)
Outputs: XLR, RCA
The dual DAC design incorporates premium features, such as clock sync mode, typically not found in this price range. The second generation of the PLL core represents a technological breakthrough that required four years of development.
The sophisticated and precise algorithm enables it to produce frequencies corresponding to different resolutions. The ultra-low-jitter clock source is simultaneously fed to the USB XMOS/SPDIF and the DAC section, resulting in a natural and vibrant sound.
The S9c Pro features a robust amplifier capable of unlocking your headphones' full potential. Aune has tailored the amplifier's output voltage curve, ensuring optimal driving not only for headphones but also for IEMs.
Aune has intricately crafted two tuning modes derived from distinct PLL and filter modes:
MODE 1 - Standard Mode: The S9c Pro operates with rapid locking and low latency, resulting in a neutral and natural sound profile.
MODE 2 - Pure Mode: The high-performance PLL delivers more precise clock signals, enhancing the DAC's performance. This mode offers increased sound density and an improved soundstage.
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