MCLAREN Audio MLX23 Vehicle Equalizers Crossover FrequenciesFront Output High Pass x 1 variable between 60Hz & 600Hz x 10 variable between 600Hz & 6KHz Rear/Mid Output High Pass x 1 variable between 60Hz & 600Hz x 10 variable between 600Hz & 6KHz Sub Output Low Pass variable between 40Hz and 150Hz Crossover Slope 12 dB per octave Output Level 6 dB gain, up to 8VRMS Subwoofer Boost variable, 0-6 dB @ 45Hz Input Level 620 mV to 7V Input Impedance 10K ohms Frequency Response 10 Hz to 30 KHz + 1 dB T.H.D. 0.005%