Planet Audio EC10B 2-Way Electronic Crossover With Remote Subwoofer Control Offers the same quality and performance of the EC20B in a two way (high-pass / low-pass) configuration Variable Low Pass: 35 Hz to 400 Hz, Variable High Pass: 50 Hz to 1.5 kHz Crossover Slope: 6 dB / octave, Independent Front and Rear Level Controls S / N:  85 dB, DC-to-DC power supply Subwoofer Phase, Remote Subwoofer Control Variable Bass Boost 0 to +12 dB @ 45 Hz Dimensions: 7-1 / 4" L x 4-3 / 8" W x 1-1 / 4" H 1 Year Warranty 2-Way Electronic Crossover , With Remote Sub Level Control Continuously Variable Low Pass: 35Hz To 400Hz Continuously Variable High Pass: 50Hz To 1.5Khz Crossover Slope: 6Db/Octave Independent Front And Rear Level Controls Signal-To-Noise Ratio: 110Db Dc-To-Dc Power Supply Subwoofer Phase And Stereo/Mono Switches Remote Subwoofer Level Control Variable Bass Boost 0 To +12Db @ 45Hz  Dimensions: 4-3/8-Inchw X 7-1/4-Inchl X 1-1/4-Inchh