Anchor MegaVox 2 Deluxe AIR Package 1The Anchor MegaVox 2 Deluxe AIR Package is an ideal system for marching bands, law enforcement, fire rescue, and auctioneers. The Megavox can deliver up 119 dB of sound. This dual system set up allows two people to speak wirelessly at the same time, along with auxiliary inputs for additional mics or devices. The Megavox AIR 2 companion speaker allows placement of up to 150 feet, which allows more sound coverage. And since it is wireless, you don't