Check the listing for details. DBX 234S Professional Crossover Stereo 2 / 3 Way, Mono 4 Way. Condition: New. Listed at 285.00 USD. DBX 234S Professional Crossover Stereo 2 / 3 Way, Mono 4 Way More sound to your amps and speakersThe secret to making speakers sound great lies with the crossover you use. With the dbx® 234s Crossover you'll get great performance, ultra low-noise, rugged reliability and four decades of dbx knowledge and expertise in building the world's finest processors. The 234s uses precision filters to separate the audio signal and direct the correct frequencies to your loudspeaker drivers. By directing only the specific frequency bands to each speaker driver the 234s leaves your amplifiers free to use their full power on the usable signal eliminating distortion and giving your PA system a cleaner and better sound. The dbx 234s is a dual channel crossover with all the features you would expect from a professional product. It features Linkwitz-Riley 24dB per octave filters, independent output gain controls for level matching, output phase inversion, 40 Hz low cut filter, and optional mono summing of the low frequency (subwoofer) output. Everything in the design exudes great precision from the solid "click" controls to the high quality 1/4" TRS inputs and outputs. Product FeaturesTRS differentially balanced ins and outsMode switches for mono 4-way or stereo 2-way/3-way operationLow frequency summed (subwoofer) outputx10 range switch on both channels40Hz high pass (low cut) filter both channelsPhase reverse switch on all outputsIndividual level controls on all outputs24dB per octave Linkwitz-Riley filters (the professional standard)Stereo/Mono status LEDs indicate the selected modedbx® 2 year parts and labor as standardCSA NRTL/C approvedCE compliant