1.frequency divider LCD Screen 2.choosing channel freely 3.Verified:ISO9001,3C X3106 Professional Speaker Crossover with LCD Screen Front sidePower: On/OffInput_A Volume IndicateInput_B Volume IndicateLCD screenOne-key shuttleReverse Side1. Group 1: Analog Input_A , Input_B, XLR plugs2. Group 3: Output_A,3. Message Interface:4. AC 220V Power Input Interface Power3-core Power input with safety ...