Gustard Audalytic DR70 R2R Network Streaming Desktop DAC with Remote Control（USED-LIKE NEW）Proprietary Discrete R 2R Module R 2R ladder network DAC utilizes resistor based switching to convert digital signals into analog. Compared to modern delta sigma DACs, which rely on high frequency 0 1 switching, the R 2R conversion process is more direct and inherently pure, delivering a more natural sound quality. However, this architecture demands extremely high precision in the resistor network. Achieving superior performance not only involves