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Dual Trumpet Horn Sst by Sea Dog Marine (431520-1)

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3.55 LBS
18 1/4"
1 5/16"
Unit of Measure:
Frequency (Hz):
Alternate Products SKU:
"1-10011", "3-431520-1"
Manufacturer Part Number (MPN):

Dual Trumpet Horn Sst by Sea Dog Marine (431520-1)


The MaxBlast Dual Trumpet Air Horn is robust stamped 304 stainless steel with an over-molded stainless steel motor housing. The trumpet should point slightly downward when placed to allow for water drainage. The MaxBlast Single Trumpet Horn has a sealed sound unit that is prewired. Horn wiring has no polarity; either wire can be connected positively or negatively. It has a volume of 123 decibels and a frequency of 39015/33015 hertz (Hz). For vessels up to 20 meters (66 feet), this horn complies with the US Coast Guard's COLREGS, US Inland Navigation Rules, Annex III Regulations, and ABYC standard A-23. The horn can be powered by 12 or 24 volts of DC.

Key Features:

  • A dual horn makes two tones and is more effective than a single trumpet cutting through background noise.

  • The electronic horns produce a blast of more than 110 decibels.

Product Specifications:

  • SKU: 3-431520-1

  • UPC: 035514431897

  • Weight: 3.55 LBS

  • Volts: 12

  • DB: 123

  • Frequency (Hz): 390±15/330±15

  • Amps: 10

  • Manufacturer Part Number (MPN): 431520

  • Alternate Products SKU: "1-10011", "3-431520-1"

  • Quantity: 1

Stamped 304 Stainless Steel w/ Over Molded Motor Housing. MaxBlast Single Trumpet Horn features a prewired, sealed sound unit. Horn wiring has no polarity, negative or positive can be attached to either wire. 123 decibels and a frequency (Hz) of 390±15/330±15, this horn meets the US Coast Guard’s COLREGS, US Inland Navigation Rules, Annex III Regulations, and ABYC standard A-23 for boats up to 20 meters (66'). 5-year rust free warranty. NMMA Type Accepted #2577051 & 2577052. 12 or 24VDC.

This product replaces:

    431520, 431520-1, 3-431520, 35514431897


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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.

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