25 volts- Weatherproof polycarbonate and aluminum construction- Driver enclosed in weatherproof housing- 70 Degrees x 95 Degrees dispersion with rotatable horn flare- All-purpose mounting bracket provides precise positioning in the vertical and horizontal planes with a single adjustment- Seven-position, weather-sealed tap selector switch- Rotary switch-selected power taps- Tap settings for 70V: 30, 15, 7.5, 3.7, 1.8 watts; for 25V: 15, 7.5, 3.7, 1.8, 0.9, 0.5, 0.25 watts- Self-aligning, field-replaceable diaphram- High-intelligibility and efficiency- Screw terminals for easy audio line connection- Plastic cover protects connectors and tap selector switch, also provides strain relief for the audio line- Textured mocha enamel finish on aluminum, matching polycarbonate horn flare- Limited Mountable to I-beam flange using BogenFTs BC1 Beam Clamp sold separately- Mountable to electrical box using BogenFTs HSES10 mounting strap sold separately- Terminal cover TCSPT1 allows connection of conduit fittings to horn speakers sold separately