Harbor Mate Electric Boat Horn

Make sure other boats know where you are located on the water with a Harbor Mate boat horn. This electric boat horn runs on 12 volts of electricity and is loud enough to alert other watercrafts in the area that you're nearby. The polished stainless steel construction and trumpet design look sharp, too! Available as a single or in doubles, this marine horn is also great for trucks and RVs.

  • Made of long-lasting stainless steel
  • Runs on 12 volts
  • Produces 106dB (single trumpet) or 109dB (double trumpet)
  • Perfect for boats, trucks and RVs
1 Year Warranty
Item # Design Length Width Height Weight Decibels Status Price Quantity
HORN-S Single trumpet 15-3/4" 4" 5-1/8" 1.9 lbs. 106
HORN-D Double trumpet 18-1/2" 8" 5" 3.9 lbs. 109


Available in single (106dB) or double (109dB) models, the Marine Trumpet Horn is manufactured from stainless steel for longevity. Rubber gaskets prevent vibration and adjustable front mount slides for custom mounting. Great for boats, trucks & RVs.


Be heard on the water with stainless steel Marine Trumpet Horns! Available in single trumpet or double trumpet designs, the electric boat horns require 12 volts and blast out 106dB (single trumpet) or 109dB (double trumpet). Adjustable front mount slides for custom fitting and included mounting gaskets prevent vibration during use. Stainless steel construction resists corrosion and rust for durability and performance. The marine horns each feature a 10½" wiring harness and 4" diameter horn. Perfect for marine boats, RVs and trucks, the Marine Trumpet Horns provide enough decibels to notify or caution other boats or vehicles nearby. The boat horns come with a one year warranty and do NOT include mounting hardware.

Trumpet Electric Boat Horn - 12 Volts

Product Features

  • Long lasting stainless steel construction
  • Available in 106dB (Single Horn) or 109dB (Double Horn)
  • 12V DC (10½" long wiring harness)
  • Rubber mounting gaskets prevent vibration
  • Adjustable front mount for custom mounting
  • Great for boats, RVs & trucks
  • Mounting hardware NOT included
  • One year manufacturer's warranty
  • Tube Diameter is 3/4"
  • Volts and Amps:
    HORN-S: DC. 12V 3AMP.
    HORN-D: DC. 12V 6AMP.

Review Summary (Based on 3 Reviews)


5 Stars Great Horn, Great Service

Kevin from PA wrote (October 11, 2016):

This horn was great for the application. Discount ramps made it easy to purchase and had it at my door in no time. 10/10 Would buy again.

5 Stars Double boat horns

James from NY wrote (July 30, 2015):

Great product, they look good and sound even better!

5 Stars Works great

Jarka from CA wrote (March 11, 2015):

Works great,looks good too.