... OK and have in stock 4.CE&ROHS Professioanl speaker / water proof subwoofer (MR-215)MR-215 Characteristic:(1) CE & RoHS ... low frequency effect.(6) Applications: DISCO, Arenas/stage, Medium or large Ballrooms, Theaters, Club, Church, Concert Hall, multi-function hall, KTV ... , hall, conference room, hall, multi-function hall. (MR-215) Professioanl water-proof subwoofers