The Reactor 112 comes equipped with a docking system (DS-1) that along with a Reactor Series Template Kit allows you to load your digital modeler (POD, PODxt, ToneLab, V-Amp) into the cabinet of the amplifier creating a complete performance rig in the footprint of a traditional combo amp. The DS-1 is now available for purchase individually for those who own multiple modelers and would like to "hot swap" them in and out of there Reactor 112. You may also purchase addictional template kits for your particular modeler !