Astell&Kern AK100 II Brushed Aluminium Portable High Fidelity Sound System - Smoky Blue The integrated single Cirrus-Logic CS4398 DAC supports up to 24bit/192kHz digital audio playback (converts to PCM) Unbalanced & S-PDIF audio output through 3.5mm jack & Balanced audio output through 2.4mm 4-Pole TRRS jack 64GB of internal flash memory & single micro SD card slot 3.3" 800x480 AMOLED full touchscreen 10 band adjustable user EQ settings and PRO EQ preset