Hello. I wanted to ask about choosing a blocking capacitor value for common emitter amplifier. I know that at working frequency, the reactance of the capacitor should be less than 2ohms. But as far as I know, different sounds are composed of different frequencies and what should I do if my microphone has a frequency range for example 300 to 3kHz. What is the working frequency then? Or I should take 3kHz as the working frequency and hope that at 300Hz it wont cause too much of a rise in the capacitor reactance?