Power Acoustik C30XR 3-Way Electronic Crossover with Remote Dash Mount Bass Knob Control<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>6-Channel low-level input</li><li>2/4 channel input selection</li><li>Independent front/rear high Pass</li><li>3-Way Electronic Crossover</li><li>Stereo/Mono Switch With Low Pass</li><li>Front High-Pass: (X1) 32Ð800Hz， (X10) 320Ð8 Khz</li><li>rear High-Pass: (X1) 32Ð800Hz， (X10) 320Ð8 Khz</li><li>Subwoofer: 50Ð160 Hz</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51HIPv896WL.jpg" noproxy>