1, 234XL Stereo 2/3-Way/Mono 4-Way Crossover
2, TRS or balanced XLR inputs and outputs
3, Two channels have x10 elected switch
The 234XL have 2 or 3-channel stereo / mono four-channel electronic crossover: The design characteristics can be changed by selecting key for stereo 2 frequency TRS or balanced XLR inputs and outputs;
A stereo or a subwoofer sum from left and right channel for being chosen.
Two channels have x10 elected switch;
Two channels have 40 Hz high-pass filter;
All the outputs are with phase reversal switch;
24 dB / oct Linkwitz-Riley filters.