... bover, excellent voice and sound performance2.Power 60W speaker is designed for conference and hall.Specification:Rated ... also interested inBS-600 Wall hanging speakerBS-457 Ceiling speaker, suit for store, school, office, restaurant, etc ... . BS-450 Office SpeakerBS-400 Wall hanging speaker, bathroom speakerPS-308 Hoisting speaker Professional conference room speaker, 60W public address speaker