Active Crossover
dbx DriveRack 260 EQ & Loudspeaker Control System with Graphic and Parametric EQ, Compressor, Advanced Feedback Supression, and Subharmonic Synthesizer
Behringer Super-X Pro CX3400 2-/3-way Stereo, 4-way Mono Crossover with Linkwitz-Riley filters, Limiters, Adjustable Time Delays and CD Horn Correction