Engineers have selected the perfect amplifier combination for the transducers and crossovers. The AX15 includes 2x discrete amplifiers to ensure maximum efficiency and unparalleled audio quality. This model features some handy mixing functions. Two inputs with separate level controls allow for overall balance and control. With easy interfacing to external mixers and processors its simple to connect to larger systems or to expand the system. The AX15 also features a comprehensive self-protection system to ensure reliable operation right up to the power limit. Intelligent electronics constantly monitor for DC, overload, short circuit, thermals and LF/HF limiting is giving you peace of mind and preventing internal damage.