20 Watt Horn Speaker Fire Resistant Bosch View larger

20 Watt Horn Speaker Fire Resistant Bosch

LBC 3437/00

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Bosch LBC-3437 20W Fire Resistant Horn Speaker is IP66 Rated and Emergency Evacuation System Ready. Features a wide dispersion for speech intelligibility, screwdriver adjustable power tapping and Loop in / Loop out wiring. For petrochemical areas and high spark situations including mining environments. 3 year warranty.


.Bosch Pretrochemical speakers

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  • ATEX approved
  • CENELEC compliant
  • BASEEFA certified
  • Glass reinforced polyester with strong, fire retardant properties
  • Reduced maintenance costs
  • Corrosion and chemical resistance
  • Water and dust protected to class IP 66 and IP 67
  • Complies with international installation and safety regulations

Maximum power22.5 W
Rated power15/75/5/4/2/0.8 W
SPL at RP / 1 W(1 kHz, 1 m)112 / 100 dB (SPL)
Effective frequency range (-10 dB)420 Hz to 3.5 kHz
Opening angle at1 kHz / 4 kHz (-6 dB)160° / 60°
Rated voltage100 V
Rated impedance667 ohm
ConnectorScrew terminal
Dimensions (L x D max)271 x 170 mm (10.7 x 6.7 in)
Weight5 kg (11 lbs)
ColorNatural black
Cable diameter7.5 mm to 11.9 mm(0.3 in to 0.5 in)
Operating temperature-20 ºC to +55 ºC(-4 ºF to +131 ºF)
Storage temperature-40 ºC to +70 ºC(-40 ºF to +158 ºF)

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20 Watt Horn Speaker Fire Resistant Bosch

20 Watt Horn Speaker Fire Resistant Bosch

Bosch LBC-3437 20W Fire Resistant Horn Speaker is IP66 Rated and Emergency Evacuation System Ready. Features a wide dispersion for speech intelligibility, screwdriver adjustable power tapping and Loop in / Loop out wiring. For petrochemical areas and high spark situations including mining environments. 3 year warranty.


.Bosch Pretrochemical speakers

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