The FiiO Q1ii is a portable DAC/Amp. An MFi certified model, it has been created with iOS devices in mind, and has native DSD decoding. Design The Q1ii utilizes the professional AK4452 DAC chip, and supports up to 384kHz/32bit for PCM format, and native DSD up to DSD256. The Q1ii is also Hi-Res Audio Certified. There are dual crystal oscillators for faithful audio decoding as well as dual headphone outputs, which both support standard 3.5mm and balanced 2.5mm headphones. Power The power output of the Q1ii is 75mW (PO/32 ohm) and 200mW (BAL/32 ohm), and has a 20 hour battery life.