The PV23XO from Peavey is a professional-quality rackmount crossover that offers terrific versatility. The unit can operate in stereo or mono mode and has standard XLR I/O connectors for use with practically any professional sound system.
In addition to crossover frequency controls, each channel offers a master gain control as well as separate high and low gain controls. The unit has an internal power supply to eliminate the need for bulky power bricks. A voltage selector switch allows you to choose the proper voltage for use in the US or abroad.