Behringer CX3400 Super-X Pro active crossover is usable as a 2 or 3-way stereo or even 4-way mono crossover for the most demanding setups. Behringer CX3400 Super-X Pro features two 24-dB Linkwitz-Riley filters per band, as well as individual limiters, while the integrated delay enables flexible time alignment. CX3400 also has polarity switches for each output to allow quick and easy runtime compensation for various driver and horn types.