inputs.text: exellent component - went 5 types electronic crossoverhighlow converters using different combinations finally deciding buy piece 98 nissan altima multiple high powered amps speakerssubwoofers total 6000 watts rmswith factory radio living nyc factory unit \\hides\\ whats trunk unit classed high low converter also electronic crossover allows control frontrear subwoofer systems separately concerned first saw multiple highlevel inputs wanted use one set speaker inputs rear exactly works great frequency control accurate efficient difference sound system produces high volume quite noticeable amps dont run hot since unit also allows control specific voltages input output sides remote control great gives control subwoofer amps without affecting rest sound passenger cab indicator lights unit warn clippingpreclipping power negatives unit bass boost boosts 10db whereas personally would prefer 18db use music sensor instead wired remote volume turned low not enough unit sense sound shut hitting volume turns back figure negatives negligible