Audio professionals, musicians, DJs, and anyone looking for accurate sound reproduction will be thrilled with the Bose S1 Pro+ Multi-Position PA System, an all-in-one portable PA system that can be used in a variety of ways, including a floor monitor, practice amplifier, Bluetooth speaker, or a full PA setup. The S1 Pro+ includes support for optional Bose wireless transmitters for microphones and instruments. The optional transmitters are stored and charged from within the S1 Pro+'s enclosure.