The Pyle PMP58U Megaphone Pa Speaker System offers powerful, portable audio projection, perfect for crowd control, outdoor events, or emergency situations. This high-performance megaphone includes two modes: Talk for everyday use and Siren for urgent situations, with a 50W max power output that projects audio over 1700 square yards. The system features a coiled-cord handheld microphone for added convenience and ease of use. It also has Usb and 3.5mm Aux inputs, allowing you to stream MP3 digital audio files or connect external devices. The system is battery-operated, requiring 8 x C batteries, or can be powered via a 12V adapter. Whether you're leading a group, making announcements, or sounding an alarm, the Pyle PMP58U ensures your message is heard loud and clear.