Singxer SDA-6 PRO2 DAC DSD1024 AK4499EX+AK4191 XMOS USB Clock Input Digital Analog Interface Decoder Double AK4499EX

PRO2 new version of the main improvement part:1. Using AKM fourth generation flagship DAC: AK4191 + two AK4499EX as the main chip for digital-to-analog conversion;2. USB part of the crystal using femtosecond clock with our self-developed thermostatic tank, to achieve the clock system in a constant temperature environment;3. XMOS upgraded to the new XU316 chip as the USB Audio program, the highest support DSD512, PCM 768K sample rate.4. Upgraded with specially optimized ultra-low noise power supply system, completely solved the problem of large low-frequency distortion of AKM DAC;5. With digital preamp, support volume adjustment, analog high and low gain adjustment, OLED brightness adjustment and off-screen playback;SDA-6 is a high-performance DAC developed by our Singxer team, which uses AKM's fourth-generation flagship DAC: AK4191 + two AK4499EX as the main chip for digital-to-analog conversion; AK4118 as the digital audio input and receiver chip, using STM32 as the control core of th