30 Watts Watertight Metal Horn Speakers with Transformer

 30 Watts Watertight Metal Horn Speakers with Transformer This is a beautiful and fashionable high decibel Speaker Horn, which can provide high-quality public broadcasting for high-speed railway stations, bus stations, railway stations, subway stations, rural radio stations, tunnels, school playground, gymnasiums, swimming pools, large factories and other public places. Its shell is made of solid and light metal aluminum, which is not easy to corrode and rust, and has a long...