MARCO EW3M Electric Horn Micro/Amplifier

€2,499.00 *

Prices incl. VAT plus shipping costs

Electronic sound signaling system with pressure chamber loudspeaker and microphone for audio announcements. The system has an approval for ships from 20 to 75 m as a signal system and fog horn, according to COLREG 1972, IMO Class III, approved by BSH, RINA, Lloyd's Register, MCA, BureauVeritas.

The EW3 sound signaling system consists of the waterproof (IP67) sound horn (loudspeaker) for mounting on the mast, the control box with sound generator (200 x 150 x 80 mm), the control panel and a microphone with talk button.

The sound frequency is 690 Hz, the loudness 130 dB(A) at 1 m. A signal of up to 8 tones can be programmed, with a repeat frequency of 60 or 90 seconds.

The integrated ultrasonic preheating of the membrane improves the sound quality under cold conditions.


  Listen to the sound here.

Suitable for an on-board voltage of 24 volts.


  • either via the supplied control panel, which is connected via an RJ45 cable (also supplied) (length 5.0 m),
  • or via a pressure switch (not included).

  • Do you have any questions concerning this product?
    Article-No. Voltage (V) Current (A) D (mm) L (mm) Article Price (Piece) Delivery Quantity
    3427-724 24 4 318 422 MARCO EW3M/24V Schallsignalanlage 20->75m (Klasse IMO III)
    Art.Nr.: 3427-724
    voltage (V): 24
    current (A): 4
    L (mm): 422
    D (mm): 318
    net: €2,100.00

    In stock.

    net: €2,100.00

    In stock.