EMB Professional Sound System EBX89 Digital Crossover For Home / DJ Performance / Club / Studio / Stage / Show / Entertainment Stereo half-frequency, single-channel third-frequency electronic crossover. TRS or XLR balanced input and output differential. Choice of stereo or the sum of left and right channels while the synthesis of ultra-low sound. Two channels are selected xIO range switch. Two channels have 40Hz high pass filter (frequency cut end). All outputs with phase reverse switch. Technical parameters: TRS or XLR balanced input and output differential / Choice of stereo or the sum of the synthesis of left and right channel subwoofer The scope of the two-channel selection switches are x 10 Two channels have 40Hz high pass filter (frequency cut end) Therefore, the output spectrum can be independently adjusted average dB / oct Linkwttz-Riley filters (the professional standard). Stereo / Mono status indication LEO lights, indicate the selected mode of operation. 24dB/oct Linkwitz-Riiey filters (the professional standard) Stereo / Mono status indication LEO lights, indicate the selected mode of operation