JS series is a full range speaker with an excellent and precise sound coverage to reproduce the beautiful tone. It is very quick and convenient to be installed. The excellent new technology makes it produce a coherent and uniform broadband wave surface, and make the distortion down to near zero. Its system has a variety of combination modes, which can coordinate with subwoofer combination according to the demand of the venues. It can display perfect effect no matter in any guerilla shows or hanging in the gymnasiums. Liner system has sensitive combination and it can provide high sound pressure and produce amazing sound according to different venues.