This Pyle Pro dynamic megaphone makes your voice sound huge! It s got 40 watts of a 1000-yard range and a built-in siren. Grip the handle and speak or detach the microphone to let your voice be heard. This megaphone even has a 10-second recording function so you can easily play back a prerecorded message - so you get it right every time. Volume control allows you to adjust the sound to your liking. Use the included relabel or 6 D ().