crossover

Behringer Super-X Pro CX3400 V2 2-/3-way Stereo, 4-way Mono Crossover Stereo 2- and 3-way, Mono 4-way Crossover with Limiters, Adjustable Time Delays, and CD Horn Correction
  Behringer Super-X Pro CX3400 V2 2-/3-way Stereo, 4-way Mono Crossover (CX-3400V2 / CX3400V2)

Achieve top-notch frequency separation with the Behringer Super-X Pro CX3400 V2.

Behringer Super-X Pro CX2310 V2 Stereo 2-way/Mono 3-way Crossover (CX-2310V2 / CX2310V2)

The Behringer Super-X Pro CX2310 v2 is a versatile crossover that's equipped for any professional live sound rig. The CX2310 v2 is capable of either 2-way stereo or 3-way mono operation.