Application: School Teacher, Church, Hotel Conference Room, Aerobics Instructor, Sport Coach, Auction, Guitar Player, Musician, Any Small Meeting Room, and Voice-Impaired Sound Reinforcement Tool. * Power source: 1.5VDC X 8, 8-AA Batteries * Output Power 7 W * A carrying bag is supplied for portability and storage. * Application: School Teacher, Church, Hotel Conference Room, Aerobics Instructor, Sport Coach, Auction, Guitar Player, Musician, Any Small Meeting Room, and Voice-Impaired Sound Reinforcement Tool. ^Power source: 1.5VDC X 8 (8- AA Batteries) ^Output Power 7 W ^A carrying bag is supplied for portability and storage.