EZ-12A from Wharfedale Pro has been developed to answer a specific need for entertainers, presenters, and performers who demand high powered PA systems but in any location. Powered by an internal battery or by a versatile 100v-240v mains input, EZ-12A can go anywhere. With an internal MP3 player, wireless mic input, Bluetooth connectivity and even standard analog connectors, EZ-12A is ready to accept inputs from anywhere.