The crossover is essentially the heart of system and is the last place to skimp on quality. The CR234 is made from components of the highest grade including 4-step Butterworth filters and balanced XLR connectors to ensure reliable connections. Features include individual level controls for all bands, subsonic (low cut) filters on each channel, phase correction on each output and adjustable time delay for phase alignment between drivers. Designed for flexibility and world class performance, the CR234 is where great sound systems begin.