The Freeway Blaster low note Horn is designed for addition to, or replacing, the original equipment horn(s) to alert drivers in noisy and high speed traffic. Versatility and rugged construction are major selling points of this horn. Features steel housing and plastic projector. Copper wire coil motor. Available with universal mounting bracket or right angle bracket. Corrosion resistant finish. Each horn is tested to assure maximum performance. High or low not (one or two terminals). Can be mounted singly or as duals. 130 dB