The L2 audio XO23v crossover is a cost effective, 2 way stereo, 3 way mono crossover that does exactly what it says on the tin, at an unbelievable price! Check this out...

•    Separate sub woofer out with independent frequency control
•    24dB per octave LINKWRITZ RILEY filters
•    Flat summoned amplitude response
•    Individual output level controls for all bands
•    Individual phase reverse switches for instant phase cancellation
•    Switchable 40Hz filter on each input for low frequency driver protection
•    Servo balanced XLR inputs and outputs
•    Ultra low noise audio operational T1084 amplifiers for excellent performance
•    Built to last!

The XO23V would not be out of place in any pro end amp rack.