The drive to be the best engineer you can be. Get astounding live sound & headroom to spare with a Crown XLS-1502 Drive Core 2 Power Amplifier. With 1550 watts of power at 4 ohms you can be totally sure of a clean & consistent sound even when pushing your system to the limit. If you do reach the limit the Peakx™ limiter has you covered. Theres no danger youll damage your speakers even at high SPLs. Advanced DSP functions & the Pure Band™ crossover system give total control of your sound & let you adapt to any PA configuration. Whatever your combination of subs tweeters & full range speakers you can set the crossovers exactly where you need them configured to either high pass low pass or band pass. Create your ideal PA system.