Bogen SP158A


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Bogen SPT158A Horn Loudspeaker - 15 watt, transformer, 8 Ohms
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High intelligibility and efficiency

The Bogen SPT15A Horn Loudspeaker is a compact, high intelligibility, reentrant type loudspeaker, designed for one-way or two-way sound and communication systems. Its sturdy, weatherproof, all metal construction is ideal for indoor and outdoor use in industrial plants, warehouses, schools, construction-sites, transportation terminals, and recreational areas. Screw terminals make installation fast and easy. The Model SPT15A Horn Loudspeaker has a built-in, variable impedance selector switch for matching the speaker power requirements to a 25V or 70V constant-voltage line.

General Information

Technical Information

  • Amplifier: 15 W
  • Features: Weather Proof

Physical Characteristics

  • Diameter: 9"
  • Depth: 9.3"
  • Material: Metal


  • Green Compliant: Yes
  • Green Compliance Certificate/Authority: RoHS
  • Additional Information:
    • Consistent voltage (70V/25V)
    • 8-ohm versions
    • Tilt & swivel base for easy aiming
    • Frequency Response: 225 Hz to 14 kHz
    • Sensitivity: -22 dBm
    • Sound Pressure Level: 125 dB @ 4 ft. on Axis with 30 W Input @ 1000 Hz

Full specifications (PDF)


Customer Review Summary

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The Bogen SP158A is also known as BOG-SP158A .