15-watt model with built-in amplifier. Screwdriver-adjustable volume controls. Universal tilt-and-swivel mount. Banding slots easily secure horns to beams and pillars. 4-conductor, color-coded cable for quick connections to audio and power sources. Plastic cover protects volume control and provides cable strain relief. Weatherproof, all-aluminum housing. Self-aligning, field-replaceable diaphragm. Speaker and brackets have textured mocha enamel finish. Mountable to I-beam flange using Bogen s BC1 Beam Clamp (sold separately). Mountable to electrical box using Bogen s HSES10 mounting strap (sold separately). Terminal Cover (TCSPT1) allows connection of conduit fittings to horn speakers (sold separately).