The SPT30A is compact, high intelligibility, reentrant-type horn 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 SPT30A has a built-in, variable impedance selector switch for matching the speaker power requirements to a 25V or 70V constant-voltage line.
- Maximum speaker power capacities of 7.5W, 15W, & 30W
- Rotary switch-selected power taps on transformer models
- Consistent voltage (70V/25V) and 8-ohm versions
- Tilt & swivel base for easy aiming
- All metal construction with enamel finish
- Weatherproof design