aune audio / S9cPro

The S9c Pro from aune audio is a high-end headphone DAC/amp that features a second-generation proprietary PLL core, developed over a four-year period.

■ Powerful Amplifier Section
・ The amplifier section features a fully discrete design.
■ Second-Generation Proprietary PLL Core
・ Developed over a four-year period, this second-generation proprietary PLL core provides a synchronized clock signal to both the USB XMOS and S/PDIF DAC stages, enhancing overall synchronization performance.
■ External Clock Support
・ Supports an external 10MHz clock input.
■ High-Quality Components
・ Equipped with a 50W toroidal transformer power supply. Additionally, twin JFETs (Junction Field-Effect Transistors) are incorporated into each amplifier input circuit, delivering a high-impedance, smooth, and mellow sound.
■ Dual DAC
・ Features dual ES9068 DAC chips.
・ Connectivity / Terminals: Inputs: Coaxial, Optical, AES, USB, Bluetooth, External Clock Input / Outputs: XLR (Variable), RCA (Variable), 6.35mm, 4-pin XLR, 4.4mm
・ Input Sampling Rates: [USB] Up to 32-bit/768kHz, DSD512 | [Coaxial/AES/Optical] Up to 24-bit/192kHz | [Bluetooth (Bluetooth Edition only)] Up to 24-bit/96kHz
・ Weight: 5kg
・ Included Accessories: Power cord, 6.35mm to 3.5mm jack adapter, USB cable, Quick Start Guide, Bluetooth antenna
・ Additional Specifications: [Dimensions] 288 x 211 x 63mm | [Line Out] THD+N: 0.00022% (XLR), 0.00029% (RCA); Noise floor: 2.04µV (RCA), 4.07µV (XLR); Dynamic range: 122dB; Frequency response (20Hz–20kHz): ±0.2dB; XLR Output: 2.2Vrms (Single-ended), 4.9Vrms (Balanced) | [Headphone Out] Noise floor: 7.71µV; THD+N: 0.00058% (1.78Vrms / 1kHz 0dB); Power Output: 32Ω (1460mW Single-ended / 5500mW Balanced), 100Ω (500mW Single-ended / 2000mW Balanced), 300Ω (168mW Single-ended / 672mW Balanced), 600Ω (84mW Single-ended / Balanced) 336 mW