The Behringer CX3400 Super-X Pro Crossover is a perfect solution for FOH or monitoring systems of any caliber--live or in the studio. 24dB/octave, state-variable Linkwitz-Riley filters for precise frequency separation. Totally flat summed amplitude response with zero phase difference. Independent IGC limiter per output and adjustable time delay for phase alignment between drivers with phase reverse switch. Switchable 25Hz subsonic filter; switchable EQ; Low Sum function; servo-balanced, gold-plated XLR connectors (2 in, 6 out).