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The Q1 Portable Headphone Amplifier & DAC from Fiio is designed to provide improved digital to analog conversion and amplification for your computer and mobile device with file resolutions up to 96 kHz/24-bit. The unit utilizes the premium Texas Instruments PCM5102 DAC chip which provides low distortion, solid dynamic performance, and enhanced jitter rejection, while the Maxim's MAX97220 amp IC chip provides high current with minimal distortion and noise.
The built-in 1400 mAh rechargeable battery is capable of charging while in use and boasts up to 30 hours of use at normal volumes and can reach a full charge in less than 4 hours. The Q1 ships with a USB cable, 1/8" / 3.5mm audio cable, a silicone base pad, and two silicone bands.
Texas Instruments PCM5102 DAC chip
Maxim MAX97220 amplifier IC chip
Micro USB port for charging and USB audio connections; may carry on decoding / amplifying while charging
Line input/output (using same physical port)
Robust toggle switches for gain, bass boost, and USB charging on/off
Volume, gain, and bass boost controls to satisfy different listening needs
Status LED indicator for charging and working status
Internal rechargeable Li-poly battery for up to 30 hours of continuous use
Small, all-metal chassis to shield against EM interfere