Frequency Bands: 2 x 15 1/3 Octave * Input Impedance: 20K ohms Unbalanced 40K ohms Balanced / S/N Ratio: >95dB / THD: 0.05% * Channel Separation: Better than 50dB * Output Impedance: 330 ohms / Max Output Level: +21dB * Range: +/-6dB, +/-12dB / Range of Filter Control: +/- 12dB Select / Power consumption: 100-120V/200-230V, 50/60Hz