Planet Audio EC20B Car Electronic Crossover – 3 Way, Pre-amp, Fine Tune Your High-Mid-Low Range Speaker Frequencies, Equalizer, DPS Audio Processor

Provides three Filter circuits for a variety of set-up options Variable Low Pass: 32Hz to 250Hz, Variable High Pass: 40Hz to 400Hz.Bass Generator

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Planet Audio EC20B 3-Way Electronic Crossover : : Electronics