STARSOUND SSA-EQ-5100 5band equalizer

Star Sound SSA-EQ-5100 Power Supply: 11-14 Neg, Ground Max Output Voltage: 7V (RMS) Frequency Response: 20-200Hz, 200-750Hz, 750Hz-4Khz, 4-16Khz Equalization Range: - 12dB Subwoofer Frequency: 43-120hZ, 60-20Hz Input Impedance 14k ohms S/N Ratio: 90dB