20-50W ​Weatherproof Aluminium lloy PA column speaker

Powered weatherproof aluminium alloy PA Column Speaker  The Column Speaker has a large sound pressure level, contains high power in its compact body, and has a wide coverage angle: the external diffusion angle of the Sound Column in the conference hall is 100°-120°, which can be flexibly installed according to the structure of the conference hall. In a moderate position, it can fill part of the blind spot of the sound at the point sound source. The vertical viewing angle is generally...