At first, this large format line array system may appear familiar, but look closer and the GSL, KSL, KSLi, XSL and XSLi feature a number of significant new engineering solutions. With unprecedented low frequency extension and headroom, unparalleled broadband output, and an impressive cardioid dispersion pattern over the entire operating frequency range, the series answers both the sound reinforcement and noise control needs of any large scale event, mobile or installed.