Special sound horns | MARCO SPA : Industrial, 420, 430, 335, 176, 570, 326, 1850, 320/300, 2350, 450 and 4000

BK3 back-up alarm, continuous sound, 105 dB

Universal voltage waterproof horn with continuous sound, particularly suitable for signalling operations such as: opening of deck and engine compartment; pulling out of gangways; crane, davit and cathead operating; malfunctioning of electronic devices.

BK2 back-up alarm 100 dB

Universal voltage waterproof horn with intermittent sound, particularly suitable for signalling operations such as: opening of deck and engine compartment; pulling out of gangways; crane, davit and cathead operating; malfunctioning of electronic devices.

BZ3 electronic cabin Buzzer 420 Hz - EMC

Cabin buzzer equipped with EMI filter. Normally used as signal in anomaly detection systems (SAS).