Self Amplified Ez Mount Ceiling Speaker Installs In Less Than A Minute Selfcontained 1w Amplifier High Intelligibility And Sensitivity Widerange Frequency Response Direct And Reflected Sound Paths Create Wide Dispersion Angle Lightweight And Durable Plastic Shell With An Offwhite Paintable Finish Simple Threestep Installation Process No Tool(s) Installation Colorcoded Mounting Studs Identify Polarity To Make The Power And Audio Connections Easier (no External Wires) Frontmounted Volume Control For Easy Access Transformerisolated Balanced Audio Input Can Be Installed In Any Drop Ceiling With Standard Ceiling Tiles Surfacemounting Design Eliminates Need To Cut Ceiling Tile No Mess Installtion Contemporary Design Blends/matches Any Decor Oring Seal Holds Speaker Tight To Ceiling Surface Eliminating Whistling And Ensures Smoother Sound Without Peaks Textured Studs Easily Pierce Ceiling Tile And Secure Wire Nut Connections Widebottom Easytohandle Mounting Wing Nuts Provide Secure Speaker Mounting All Necessary Mounting Hardware Included Tile Bridge Available For Weight Distribution (model Smtb Sold Separately) Complies With Nfpa National Code 160b And Ul2043 Brand: Bogen