I use mine with a OTG cable from my Android Tablet Via Bose QC3's or over my Vehicle AUX input "App: USB Audio Recorder Pro". Also in the house I run it from my Raspberry Pi "Raspyfi" through my Receivers AUX to my ML Vista's and Depth i. Best Bang for the Buck IMO. I auditioned the Dragonfly at the same time and I purchased the Meridian Explorer much warmer sound and doesn't degrade the sound quality as much at high volumes.   I am sure you can use other DAC in the similar fashion but for the 300.00 price point and the excellent sound. I am very...