Power and control unit serves as necessary interfaces for various VibraAS instruments used for experiments in the field of sound and vibrations. The unit contains analog-to-digital converter and it provides power supply for particular modules, as well. Modular concept of VibraAS set, where the control unit works as a central hub, let the users to modulate the set according to their preference and convenience. Users just pick the experiment they want to perform and plug appropriate module to PCU. PCU and all modules are sold separately, but there is also possibility to order full VibraAS package.