Portable Headphone Amp DAC, DSD512 and 768K/32Bit, 16Ω-600Ω/35mW/Hi-Res Hi-Fi...
DS400+ Headphone amp dac Portable, Hi-Res Hi-Fi for PC Headphone Out/iPhone. The new K3's dual crystal oscillators ensure that any digital audio signals being fed into the DAC are exactly correct for further enhanced sound quality.