Description Product Reviews The Bogen SPT15A is a compact, high intelligibility, reentrant type loudspeakers, designed for one-way or two-way sound and communication systems. Their sturdy, weatherproof, all-metal construction is ideal for indoor and outdoor use in industrial plants, warehouses, schools, construction sites, transportation terminals, and recreational areas. The Model SPT15A has a built-in, rotary impedance selector switch for matching the speaker power requirements to a 25V or 70V constant-voltage line. Features: High intelligibility and efficiency; ideal for both one-way and talk back applications Weatherproof, all-metal construction 15 watts; 25/70 volt (SPT15A) operation 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 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) 0 Reviews Hide Reviews Product Reviews