Description: sound design, accent, power up, start engine

Description: Very large and powerful machine turbine switched on.

Description: Strange science fiction slow building up of energy

Description: Engaging sound of an energy boost.

Description: sound design, accent, power up, start engine

Description: Power Up Charge Swell Production Element Imaging Element Accent Transition.

Description: Power Up Light Warble Production Element Imaging Element Accent Transition.