Montarbo 315 is a self-powered 3-way bass-reflex speaker system with a sophisticated processor that optimizes the specific features of each loudspeaker and also provides direct control of the response curve and working performance of the whole system. It has a frequency response of 40Hz - 20kHz, a power handling of 400W continuous, and a maximum SPL of 129dB. The system is protected from harmful overloads and incorporates the necessary power for optimum performance, minimizing problems related to transportation, installation, and use.