Product details:
Double-Trumpet boat horns are a great way to notify and warn nearby traffic quickly. The side-by-side 18.5"L mount double trumpet design features (2) 4"D horns capable of blasting 109 dB powered off a 12V DC connection. Each package includes a 4"D double boat horn with mounting brackets, vibration reduction gaskets, and a 10.5"L wiring harness for installation. Front mounting brackets slide along the horn shaft for custom fitting.