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The -55 dB / 4 7 kQ interpreter console has been designed for two interpreters with 7 5 V supply who take turns. Each interpreter can connect one headset or Frequency response.............. 70 - 18,000 Hz (-3 dB) one microphone and headphone to the console. For powering, T HD < 0 15% the console does not need a control unit; it is powered via Signai-to-nojse ratio > 72 dB (A) the supplied p°wer supply unit. Cross-talk attenuation . . . . . . . . . . . . > 68 dB / 1 kHz The audio channels f