SPT15A Weatherproof Horn Loudspeaker with Transformer 70V by Bogen

Model #SPT15A

Regular Price: $184.03

Special Price $96.61

Product Overview

***OPEN BOX SPECIAL. Short Time Only. Bogen Factory Resealed, NOT REFURBISHED.***

  • High intelligibility and efficiency; ideal for both one-way and talk back applications

  • Weatherproof, all-metal construction

  • 15 watts; 25/70 volt (SPT15A) or 8-ohm (SP158A) 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


The Bogen SPT15A is a reentrant type loudspeaker, designed for paging systems and intercom systems. The 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.


  • Power Rating (RMS): 15 watts continuous, 20 watts equalized
  • Frequency Response: 275 Hz to 14 kHz
  • Impedance:
    SPT15A — 25/70 volts
  • Sound Pressure Level: 121 dB @ four feet on axis with 15 watt input @ 1000 Hz
  • Dispersion: 110º
  • Sensitivity as Microphone: -22 dBm [Ref: 10 dynes/cm2]
  • Dimensions: 9" Diameter x 9-1/4" D
  • Product Weight:
    SPT15A — 4 lb.
  • Finish: Textured mocha enamel

Additional Information

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