HX7B Variable Dispersion 4-Module Speaker 750W BlackThe HX 7B is a 2 way compact speaker system that permits both constant directivity control over a wide frequency range and changes in vertical directivity. Its adopted wave front control technology is ideal for reproducing clear sound in spaces with long reverberation times or high background noise. The HX 7B is designed for indoor use. Product Features High power handling Speaker design consists of four integrated modules that can be adjusted