This single trumpet horn produces a powerful 115 dB sound at 380 Hz, making it ideal for marine vessels needing reliable audible signaling. Built with a stainless steel profile, it operates on 12V DC at 5A and includes an anti-vibration base rubber mount to reduce noise during operation. The horn installs directly without requiring a compressor or hose, simplifying setup on any boat. Measuring approximately 16 inches long, 4 inches wide, and 5 inches tall, it fits most standard marine applications.