MaxBlast Single Trumpet Horn features a prewired, sealed sound unit. Constructed with an over molded motor housing under a stamped 304 stainless steel exterior and diaphragm, which protects the internal components from corrosion. After a 600-hour salt spray test, this electric horn was completely rust-free! Horn wiring has no polarity, negative or positive can be attached to either wire. Mounting bracket can be used as a wiring template. When installed, the trumpet should point slightly downward to permit water drainage. 

• Features over molded motor housings that provide complete protection from rust and corrosion

• Rated at 118 decibels

• Meets U.S. Coast Guard’s C.O.L.R.E.G.S.  for boats up to 12 meters

• 5 Year warranty

• 12 volt

• Sealed sound units are pre-wired