An extremely thin copper wire in the voice coil supplies lightning-fast responds to any change in voltage. As a result the iDX 200 iE provides a transparent sound reproduction. Especially the trebles are gracile and precise. Optimized filter tunings enhance balanced bass and mids. A high-quality microphone supports telephone calls and Skype calls on all common smartphones, tablets and personal computers. The remote can be used on all Apple and many Android devices.