1500 Watt High Performance Powered Speaker System JBL"s ability to maximize the speaker and amplifier performance guarantees ample power, accurate dynamics and sonic purity. * 42.5 LB For Easy Portability * Best In Class Coverage System Coverage is 90 degree Horizontal and 50 degree Vertical * High Performance Drivers 37.5mm (1.5 in) Annular Polymer Diaphragm, Neodymium Magnet Compression Driver Resulting in Crystal Clear Highs and Sonic Accuracy. * Low Frequency Tour tested Differential Drive technology delivers extended frequency response, high power output and low distortion in a dramatically lighter package.