I have my used Korg DS-DAC-100 DAC for sale. It is USB powered, and looks and works like new. It has a Cirrus Logic CS4398 dac chip, and can do DSD?2.8224MHz/5.6448MHz, 1bit, and PCM?44.1kHz/48kHz/88.2kHz/96kHz/176.4kHz/192kHz, 16bit/24bit. It has a USB input for use with a computer, and has RCA and balanced outputs, and has a headphone input in front. It has no coaxial or optical inputs. I've ...