The R-12 is a high-power long-range horn speaker with a two-way design. Equipped with professional-grade woofers and tweeters, it features efficient sound transmission, strong penetration and high voice reproduction fidelity. The enclosure is made of PP material, providing waterproof, corrosion-resistant and hydrochloric acid-resistant performance. Suitable for various extreme climates and environments, it is widely used in stadiums, schools, training grounds, air-raid sirens, coastal beaches, highways and other applications.