SoundXtreme ST-X300 3 Way Electronic Car Stereo Crossover Dash Mount Bass Knob Remote Frequency Response 10Hz-30kHz Including Power Adapter Connector 60dB Separation

Brand: XtremevisionFeatures: Front Channel High Pass Frequency Extender, Subwoofer Frequency Selector. Bass Boost Frequency and Level Control. Phase Inverter Subwoofer Stereo/Mono Switch. Subwoofer boost: Single octave 0dB to 12dB (variable) at 40 - 120 Hz(Variable). Subwoofer Output Level Remote Control Terminal. model number: ST-X300Details: A crossover is an electronics device that takes a single input signal and creates two or three output signals consisting of separated bands of high-, mid-, and low-range frequencies. The different bands of frequencies feed the different speakers, or “drivers,” in a sound system: tweeters, woofers, and subwoofers. Think of a crossover network as an audio traffic cop, directing highs to your tweeters, midrange to your woofers, and low bass to your sub. Without a crossover, a messy, sonic "traffic jam" results. Your midrange and sub duplicate too many of the same frequencies and your sub wastes time trying to put out high notes it wasn't meant to h