The JL Audio Motorola Style AM/FM Antenna is a compact, hide-away antenna designed for use with most aftermarket head units, including the MM100s-BE and MM50. Built with marine-grade materials, its engineered to endure harsh saltwater environments. Featuring a standard Motorola-type male plug, this antenna ensures reliable radio reception for your marine audio system. Built with marine-grade materials for durability in saltwater environments Features a standard Motorola-type male plug Provides reliable radio reception for marine audio systems