7 BAND PASSIVE STEREO GRAPHIC EQUALIZER WITH FADER CONTROLSOUNDXTREME 7 BAND PASSIVE STEREO GRAPHIC EQUALIZER WITH FADER CONTROL ST-EQ-180 Model # ST-EQ-48 Features Featuring Adjust gain Control / Output level Display/ EQ Slide Control / Subwoofer Xover Points / Subwoofer Switch Specification EQ Center Frequencies 60, 150, 400, 1K, 2.5K, 6K and 15Khz / Equalization Range +/- 12d - B Input Impedance 100 Ohm / Input Sensitivity 4 Volts for 500m - V out Frequency Response 20hz to 20k - Hz +/- d - B / Crossover Rolloff 12d - B/Octave / Power Requirement 11-16V DC