- High intelligibility and efficiency; ideal for both one-way and talk back applications - Weatherproof all-metal construction - 15 watts; 25/70 volt (SPT15A) - Tap settings for 70V: 15 7.5 3.8 1.8 0.9 watts; for 25V: 15 7.5 1.8 0.94 0.46 watts - Rotary tap impedance selector on SPT15A - Tilt and swivel base for easy positioning - Screw terminals make installation fast and easy - All-purpose mounting bracket - Self-aligning field replaceable diaphragm - Mocha enamel finish - Limited lifetime warranty - Mountable to I-beam flange using Bogens BC1 Beam Clamp (sold separately) - Mountable to electrical box using Bogens HSES10 mounting strap (sold separately) - Terminal Cover (TCSPT1) allows connection of conduit fittings to horn speakers (sold separately)
