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: +/6-dB, +/-12 dB * Range Filter Control: +/- 12dB Select / Power Consumption: 100-120V/200-230V, 50/60Hz