To power the XM-1 and the integrated amplifier, we went with an active USB-C high-quality cable with a 4-pin connector. Intended use is for smartphones with USB-C ports lightning ports, or other smart devices that allow for USB-C listening. Note that DAPs that have USB-C ports may require changes to settings in order to allow volume to be controlled through the USB-C port. Also, note that the...
Noble Audio XM1