Differentially balanced XLR ins and outs
Mode switches for mono 4-way or stereo 2-way/3-way operation
Low-frequency summed (subwoofer) output
Range switch on both channels
40Hz highpass (low-cut) filter on 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
dbx 2-year parts and labor warranty comes standard
CSA NRTL/C approved and CE compliant