Mic input - Input Impedance: Mic: 4k Ohms. Mic input - SNR (best conditions): Mic Mic input - Gain: Mic: 18 to 48 dB. Mic input - VOX threshold: Mic: 0%: Off, 25%: -40 dBu, 50%: -50 dBu, 100%: -63 dBu.
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