Instruction:

Pickup is an accessory used to capture the live sound , A by receiving sound vibrations, the soundamplified electric acoustic instruments.

Principle:it is make of the microphone (microphone) and  amplifier , different circuit design and the use of the chip have a greater impact on the quality of voice. General pickups with three-wire system,the positive power supply, audio, positive, public places. Or negative and negative power ofaudio separate.

 Specifications:

Operating voltage: DC 6V-12V

Range listening: 5m ²-50m ²
Dimensions: 6.5mm * 28mm
Connection: Red (supply positive)
Black (common ground) White (Audio positive)