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1. Capsule: Huge 34mm (1-3/8 inch) gold plated diaphragm
2. Mute button: You can mute the microphone input.
The red light will turn
off indicating that the microphone is muted. Press again to restore
microphone operation.
3. Gain Control knob: Allows you to control the sensitivity of the
microphone.
4. Headphone Volume Knob: Allows you to control the headphone jack volume.
Note that only the headphone volume is affedted.