The Aune S9c Pro is an exceptional DAC with headphone amplifier that impresses with innovative features and first-class sound quality. With full clock synchronisation and a second-generation ultra-low jitter PLL core, the S9c Pro guarantees precise and lifelike sound reproduction. Supported by optional external clocks, it offers a wide range of frequency adjustment options. Equipped with a dual ES9068AS DAC chip and clock sync technology, the S9c Pro works in perfect harmony to deliver outstanding sound quality. Various resolutions are supported to cover a wide spectrum of sound. The S9c Pro's high-quality design includes a 50 W toroidal transformer and 23900 µF capacitor array for stable and rich performance. High-quality components and careful selection of hi-fi components guarantee top-notch sound quality. The S9c Pro's fully discrete 5-watt headphone amplifier ensures powerful and accurate sound reproduction. By using two JFETs per channel, the headphone's power is optimally utilised. Special tuning modes, developed with a proprietary algorithm, allow you to tailor the sound of the S9c Pro to your personal preferences and enjoy a customised listening experience. The S9c Pro offers versatile connectivity, including three headphone outputs (6.35 mm, XLR and 4.4 mm) compatible with all types of headphones and in-ear earphones. It also supports Bluetooth with IIS conversion and clock synchronisation for high-quality wireless audio playback. Operating the S9c Pro is simple and convenient, thanks to the multi-function knob on the front panel and the included all-aluminium remote control.