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 Specifications: Speaker Cable Length - 6.5&'; (2 M) Dimensions (Diameter) - 5" Maximum Power - 10 Watts Speaker Impedance - 4 Ohm In the Box: Speaker w/speaker wire Mounting bracket Instruction manual *Sold as an Individual Specifications: Type: Speakers Box Dimensions: 7"H x 7"W x 8"L WT: 2.05 lbs UPC: 788026177837 Owner&';s Manual (pdf)