OSD’s Nero Arc SUB Pendant Speaker is Designed for Commercial and Demanding Applications. Ideal for Installation Where Conventional Ceiling or In-Wall Speakers are Limited by Unique or Challenging Architectural Constraints. The Nero-Arc SUB includes an 8” Rigid Graphite Cone for Accurate Bass, Controlled. Stylish Design Resembling Suspended Lighting Fixtures, the Nero Series Blends Aesthetically in Most any Stylish Environment, from High-End Home Installations to Restaurants, Bars, Libraries, Museums, and Anywhere a Pendant Speaker System is Appropriate. 180° Dispersion Assures All-Inclusive Coverage for a Wide Range of Listening Positions. 70V Operation allows for Multiple Speakers for Broad Coverage and Long Runs of Wiring. Switchable 4ohms Setting Permits Conventional Stereo Operation. Available in White or Black. IP 66 Rated Material, The Nero - Arc SUB Can Be Installed Indoors or Outdoors. Mounting Hardware is Included.