A great PA speaker that gives bands studio-quality sound on stage. It's a 2-way, bi-amplified, optimized active system that needs no external power amp. It has built-in FR series 300W (for lows) and 100W (for highs) amps; a Linkwitz-Riley electronic crossover; a 300mm long-throw, low-frequency transducer; precision titanium compression driver; and a maximum dispersion horn. Utilizes Mackie's Servo Feedback Controlled Woofer technology.