7 Band Equalizer / Crossover Auxiliary Input, DVD, EQ Maximum Input Level: 14.4V RMS Maximum Output Level: 7V RMS Frequency Response: 10Hz - 100kHz, -1dB S / N Ratio: -110dB Sensitivity Variation: -10db to + 10dB Graphic Center Frequencies: 40 Hz, 125Hz, 1kHz, 10kHz Subwoofer Crossover: 30Hz to 300Hz