Six channels of active speaker level inputs – accepts up to 400 watts per channelPatent Pending AccuBASS™ circuitryOptional ACR-1 Remote allows for user control of the subwoofer levelInternal Channel Summing – For interfacing with factory installed amplifiers with built-in crossoversGTO™ (Great Turn-On) Circuit – Powers up the LC7i when it detects signal on the speaker level inputOutput level controlCompact chassis allowing for ease of installation