Standard Horizon MLS-410 Fixed Mount Speaker - Black [MLS-410SP-B]MLS 410 Fixed Mount Speaker Black Redesigned for clear, crisp, and audible reception, the Standard Horizon MLS 410 is setting the bar on external VHF speakers. Compact in size, this high performance communications speaker matches the impedance and output requirements of most Standard Horizon transceivers. Compatible With: Standard Horizon fixed mount VHF radios Transceiver Features: Flush or bracket mounted Compact size Weather resistant Technical