The headphone amplifier chip in the Q1 Mark II is the very same utilized in the AM3A module, usually used with the X7 MARK II (OPA926). The Q1 Mark II utilizes the AKM AK4452 DAC chip to decode high sample rates, giving you a high signal-to-noise ratio and providing low distortion.Fiio Q1 Mark Ii Ak4452 Native Dsd Usb Dac Kopfhörer Verstärker Amp Xm0s 384khz/32bit Für Iphone Ios Android Q1ii detail :Verkaufspreis : € 87.85Markenname: F.