Professional Products DBX 234 Streo/3way/4way Crossover

XLR balanced ins and outs Mode switches for mono 4-way or stereo 2-way/3-way operation Low frequency summed (subwoofer) output x10 range switch on both channels 40Hz high pass (low cut) filter both channels Phase reverse switch on all outputs Individual level controls on all band outputs 24dB per octave Linkwitz-Riley filters (the professional standard) Stereo/Mono status LEDs indicate the selected mode