Polk Audio RM705 5.1 Home Theater System (Set of Six, Black) Complete 5.1-channel surround sound speaker set; includes four satellites, one center channel, and one subwoofer Heavy-duty, non-resonant composite enclosures feature an elegant, high-gloss finish Reuleaux Triangular Polygon cabinet on satellites delivers maximum performance possible from such compact a speaker Magnetically shielded for safe placement next to HDTVs and monitors Mount the speakers on shelves or on the wall using flexible wall-mount brackets