Bazooka MPA1000W Marine/Mobile Microphone PA/Mixer (White) Marine Mixer microphone With Coil Cable built-In Source Selectors 4-Channel Music Input two Sets Of Preamp Outputs Connect To Your Boat's Amplifier auxiliary Minijack Input Microphone Voice Input separate Music And Voice Volume Controls mute Or Mix Music With Voice-Over Functionality 4 Channel pre-amp input Auxillary 3.5 mini jack MP3 input Independent Voice and Music Volume controls Voice and Voice + Music talk functionality