The MegaVox Basic Package (MEGA-BP) comes with a portable public address system that is lightweight, loud, and easy to carry. It is the most reliable PA system on the market. It includes the MEGA-8000U1 speaker which comes with one built-in 16 channel wireless receiver, your choice of wireless mic, built-in bluetooth and a speaker stand. Every MegaVox also comes equipped with an alert siren, a wired microphone, and a convenient shoulder strap. It can reach a distance of 100 yards. It has a built-in rechargeable battery and runs up to 10 hours on a single charge. Use it for sports, marching bands, emergency situations, crowd control, auctions, or on the play ground.