Xantech D5KP Digital Distribution System (DDS) KeypadOverview Specifications The D5KP is Xantech's Amplified OLED Controller for the D5SH, D5SH4, D5RH, and D5XH Digital Audio Hub. The D5KP is required to control each zone of a DIGI 5 Digital Distribution System. It provides Source Selection, Volume, Mute and Power control as well as control of all connected audio sources with its built in IR receiver. Additionally, it provides amplification for the zone's speakers using an on board 30 watts per channel