Abrams 100 Watt Siren PA System Set with Mechanical Tones Comes with PA Microphone & 100 Watt ECO Siren Speaker 100 Watts of power with ultra slim design + 100 watt siren speaker 6 Siren tones including mechanical tones + man & air horn Volume controller with on/off feature Rotary switch for air horn/manual with override control Easy to install design. Pre-wired with quick disconnect plug