SINGXER – DAC SDA 2 – AK4497 Accusilicon Balanced NOS DAC & Headphone Amplifier


The SDA-2 is an high-performance D/A Converter with preamplifier and headphone amplifier. Fully balanced design. Based on XMOS’s latest xCORE-200 series chipset for USB Audio input and the AKM497, AKM’s third-generation DAC chip for DA conversion and the AK4118 digital audio s/pdif input receiver chip,. The STM32 main control CPU, Xilinx’s large-scale FPGA processing the clock system circuit and digital audio stream. The amplifier is desgin is a 4-way full balanced circuit. Independent discrete class A amp.

Two versions are available.

Both use ACCUSILICON AS381B femtosecond crystal oscillator AS-318B for main audio clocking, the C version has additional Crystek CCHD-575 femtosecond crystal oscillator for USB INPUT.

  • Standard Version SDA-2 A – Standard XO for USB INPUT
  • Advanced Version: SDA-2 C – Crystek femtosecond crystal oscillator CCHD-575 USB

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Magna Hifi

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