![](https://ae01.alicdn.com/kf/HTB1aOWZdlGw3KVjSZFwq6zQ2FXai.jpg)
Product description:
PT2399 reverb board karaoke board dynamic microphone electret amplifier module DIY with AD828 preamp
The potentiometer is separated, not limited by the installation distance, and flexible in use.
The microphone board adopts karaoke special chip PT2399, chip technology, stable performance, the front and rear stages of the microphone board use AD828 audiophile operational amplifier chip, through the jumper cap setting, electret microphone and dynamic microphone can be used , The power supply adopts a single power supply, with a rectifier circuit, which can be used for both AC and DC.
Working voltage: AC6V-15V/ DC7-24V
Board size: 100mm*50mm
JP1, JP2 function description:
The microphone type setting is set. By setting JP1, and JP2, two types of dynamic microphone and electret microphone can be used. There is a matching shorting cap. When the shorting cap is plugged in, the electret microphone is used, and if the shorting cap is plugged in, the electret microphone is used. Loop microphone.
Package included:
1Pcs PT2399 reverb board karaoke board
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