1. The functions of these two are the same, all audio devices.
2. The pickup is a small accessory that collects the sound of the scene. The principle is that the microphone and the amplifier form the smallest system of the pickup. The design of the circuit and the different chips used has a great influence on the sound quality. The general pickup uses a three-wire, four-wire terminal block, a positive power supply, an audio positive pole, and a common ground. Or the audio negative and the negative power supply are separated. Pickup products are generally divided into active and passive types; vocal guitar pickups and monitoring pickups are classified according to actual application performance.
3. The microphone is translated from the English word Microphone, is a transducer that converts sound into electrical signals.
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