2 / 3 Way Crossover The IF-3X gives you limitless possibilities and flexibility. This 2/3-Way crossover gives you the ability to fine tune every aspect of your audio system. As we all know automobiles were never designed to give you studio quality acoustics, so the IF-3X is here to help. The IF-3X crossover network is powered by a PWM (pulse width modulated) power supply, so you won't hear any unwanted noise. Lastly, the remote subwoofer level control gives you ultimate control over your system, from clean & clear to bass machine! Features 18dB/Oct. Crossover Slope Remote Subwoofer Level Control 1/180° Subwoofer Phase Switching PWM (Pulse width Modulated) Power Supply Stereo / Mono Sub Switching Mixed Input / output switching Switchable 12/18dB per Oct High / Low-Pass Filters Gold Plated RCA Connectors Variable Bass Boost (0-12dB) Variable Boost Frequency Variable Frequency Cut-off Frequency Control Parallel Input Switching Front / Rear / Subwoofer Pre-amp Inputs & Outputs Fully Adjustable Output levels |