... DAC, portable D/A converter, Headphone AMP, earphone AMP. Hifi audio amplier, your best PC music partner Item: DAC mini Portable headphone amplifier ... and DAC dedicated to laptop or computer users for better music. Small and exquisite, portable and convenient.Features: Support 96k/ ... and a natural, relaxed quality will draw you into the music, time and time again. About USGavin Electronics Co.,Ltd, ...