The PP4-X is designed for use with 4-Ohm Punch Pro midrange drivers and tweeters. It features dual woofer outputs for use with two Punch Pro midrange drivers. Provides 6dB/Octave dedicated low pass filter for the woofer. Must use existing built-in 6dB/Octave Punch Pro crossover supplied with tweeter. Designed ONLY for Rockford Fosgate Punch Pro speakers (not designed to be used as a stand-alone passive crossover for other "pro" brands). Mounting hardware included. Designed for use with Punch Pro midrange drivers and tweeters 125 Watts RMS (250 Watts MAX) power handling Must use 4-Ohm load on woofer outputs Dual woofer outputs for use with two Punch Pro midrange Provides 6dB/Octave, 3kHz low pass for woofer Works with built-in 6dB/Octave Punch Pro tweeter crossover Selectable tweeter impedance: 4-Ohm or 8-Ohm Selectable tweeter attenuation: 0dB, -3dB, -6dB Mounting hardware included Sold as individual units (not in pairs) Crossover - 4kHz @ 6dB/Octave Low-Pass0dB/-3dB/-6dB Tweeter Attenuation Speaker Type - Crossover Shipping Weight - 1.23 Lbs. (0.55 Kg)