The PDV series is a range of fully featured, high power mixer amplifiers with 4 zone outputs, each with separate 6-step volume controls. This series amplifiers features an integral MP3 module with USB and SD Card slot, a FM tuner and internal Bluetooth receiver. Mic 1 channel has an override over all inputs and MP3 player. 24V contacts can be connected to a fire alarm panel for emergency evacuation if required. All models are designed with complete protection from overload to avoid any damage. This series of amplifiers is suitable for applications in a bank, town hall, supermarket, school, hotel, restaurant, shopping centre or any other public space.