Standard Horizon 4.5" Round Hailer/PA Horn - White [220SW] Enhance your marine VHF communication with the Standard Horizon 220SW 4.5" Round Hailer/PA Horn in white. This compact 30W horn delivers powerful audio output for hailing and fog signals. Key Benefits Seamless Compatibility Pairs directly with GX2200S, GX3000S, GX5000S, GX5500S, and VLH-300 VHF radios for plug-and-play hailing functionality. Powerful 30W Output Provides 30W peak power with 4 Ohm impedance to ensure clear, loud announcements over water even in noisy conditions. Durable Marine Construction UV-resistant white ABS plastic withstands harsh saltwater environments for reliable long-term performance. Standard Horizon 4.5" Round Hailer/PA Horn - White [220SW] Enhance your marine VHF communication with the Standard Horizon 220SW 4.5" Round Hailer/PA Horn in white. This compact 30W horn delivers powerful audio output for hailing and fog signals. Key Benefits Seamless Compatibility Pairs directly with GX2200S, GX3000S, GX5000S, GX5500S, and VLH-300 VHF radios for plug-and-play hailing functionality. Powerful 30W Output Provides 30W peak power with 4 Ohm impedance to ensure clear, loud announcements over water even in noisy conditions. Durable Marine Construction UV-resistant white ABS plastic withstands harsh saltwater environments for reliable long-term performance. Technical Specifications Ideal for deck mounting on boats, this hailer horn supports essential safety communications like foghorns and public address announcements. Its compact 4.5-inch design fits tight spaces while delivering robust sound projection for reliable vessel-to-vessel or docking interactions in marine settings. Technical Specifications Specification Value Dimension 10 cm Weight 500 g Material Premium