DC power (usually 9V to 52V) supplied to condenser microphones by a preamplifier close to the microphone, necessary due to the extremely high impedance of the microphone, via the signal wiring of the microphone.
DC power (usually 9V to 52V) supplied to condenser microphones by a preamplifier close to the microphone, necessary due to the extremely high impedance of the microphone, via the signal wiring of the microphone.