Karaoke Reverb Board PT2399 Home T Microphone Amplifier Module Effect Exceeds NE5532 M65831 OP Amp Preamplifier

Product selling point:1. Using high-quality materials, the quality is guaranteed2. The microphone board adopts karaoke special chip PT23993. SMD proce, stable performance4. The power supply adopts a single power supply, with a rectifier circuit, which can be used for both AC and DC5. By setting the jumper cap, both electret microphones and dynamic microphones can be used:Working voltage: AC6V-15V or DC7-24VBoard size: 100mm*50mmPotentiometer spacing: 25mm (potentiometer fixed version)Distance between two microphone sockets: 28mmJP1, JP2 function description:If the microphone type is set, by setting JP1, JP2, two types of dynamic microphones and electret microphones can be used. There are matching shorting caps. When the shorting cap is plued in, the electret microphone is used. circle microphone.The potentiometer is separated, not limited by the installation distance, and the use is more flexiblePackage list:Package A: finished board*1+signal shielding line*2 (potentiometer fixed version)Package B: finished board*1+signal shielding line*2 (potentiometer separate version)