On the one hand, A 200 p gets out the most of your device, on the other hand it enables you to use headphones with high impedances on mobile devices. Without the A 200 p, these would not play loud enough.
A 200 p is compact and lightweight and represents one of the smallest digital / analogue converters. Thanks to various connection cables included in delivery, A 200 p is usable with diverse smarphones, tablets and computers.
Moreover, the media playback can be controlled by the buttons included in A 200 p.