AudioControl LC-4.800 High-Power Multi-Channel Amplifier with Accubass®This unique high power design features six active speaker level inputs with summing allowing you to interface and integrate with most factory installed source units. The patent pending AccuBASS circuit compensates for factory bass roll off and provides maximum bass performance. More control and features include our GTO signal Sense, Configurable Crossovers and assignable remote level control. We have incorporated years of technology into the LC 4. 800