High-power 550-Watt 2-way PA sound reinforcement speaker system for live and playback applications * Ultra-compact and light weight system delivers excellent sound even at extreme sound pressure levels * Revolutionary Class-D amplifier technology: enormous power, incredible sonic performance and super-light weight * Internal switch-mode power supply for noise-free audio, superior transient response and very low power consumption * Extremely powerful 15"" long-excursion driver provides incredibly deep bass and acoustic power