M-Audio Transit Pro DSD/PCM USB DAC Audio Interface - Metro Sound & Music
DS-DAC-10R - 1BIT USB-DAC/ADC | KORG (USA)
Buy 3.5mm USB DAC DSD Portable Audio Rechargeble HiFi Headphone Amplifier for iPhone IPod MP3 MP4 Player at affordable prices — free shipping, real reviews with photos — Joom
Weiss DAC202 USB/DSD DAC with Preamp, Headphone & Ethernet – Planet of Sound