Full power and control means adding the right processor to your system. The 12-channel / 11.5-volt RCAs is by far the best processor. The XM6LB is a 6-way, mobile, audio electronic crossover with remote control capable of managing the most complex amplifiers and systemsLine Driver 11.5 Volt6-Way active CrossoverHigh/low Pass Crossover 12 db./Oct.Output level control: 0.2V - 11.5VIncludes remote control for sub-levelInput/output clipping LED