Component 7 Band Pre-Amp Graphic Equalizer Sub Woofer Crossover, LED Level Meter, Fader Control, High/Low level Input, Sub Woofer RCA Line-Out (Gold Plated), subwoofer,  Crossover: 80kHz-150Hz, 7 Band Equalisation: 60Hz/150Hz/400Hz/1kHz/2.5kHz/6.6kHz/15kHz, Range 12dB Nom. at each Frequency Centre. Frequency Response 20Hz-20kHz.