The Pyle PMP20 Compact Megaphone Bullhorn PA Speaker with Siren is a powerful 20W Max speaker designed for use in presentations, meetings, or outdoor events. The compact and portable design makes it easy to carry around, while the built-in siren adds an extra level of attention-grabbing sound quality. Perfect for business environments or industrial settings, this speaker from Pyle is a reliable choice for clear and amplified speech.