Mining

32Hz-250Hz continuously variable low pass

40Hz-400Hz continuously variable high pass

1x or 20x frequency multiplier

6dB or 18dB/oct selectable slope

Independent front & rear level controls

3-Way Electronic Crossover , With Remote Sub Level Control

Continuously Variable Low Pass: 32Hz To 250Hz  Continuously Variable High Pass: 40Hz To 400Hz  Frequency Multiplier: X1 Or X20

Selectable Slope: 6Db Or 18Db/Octave  Independent Front And Rear Level Controls Signal-To-Noise Ratio: 110Db

Dc-To-Dc Power Supply  Outputs For 3-Way Or Front, Rear And  Subwoofer System Configurations

Remote Subwoofer Level Control   Variable Bass Boost 0 To +12Db   Dimensions: 5-1/8-Inchw X 8-1/4-Inchl X 1-7/8-Inchh

Video Review Planet Audio EC20B 3-Way Electronic Crossover