AHUJA MONO AMPLIFIER DPA570 DPA-570 is a PA amplifier with an inbuilt MP3 Digital Player, making it a versatile multi-application music center. The Digital Player accepts USB drives, and reproduces clear, high quality music. A remote control is provided for controlling the functions of the Digital Player from a distance. This, combined with 3 microphone inputs, 1 Aux input, and provision for multiple speaker connections makes this ideally suitable for a variety of music programmes and public address applications.