Dual AC12V Digital Microphone Amplifier Board PT2399 Reverberation Karaoke OK Module Electronic DIY

Dual AC12V Digital Microphone Amplifier Board PT2399 Reverberation Karaoke OK Module Electronic DIY Description

Product Name: Karaoke Reverb Board Output load: need after stage power amplifier Chip selection: dual power supply AC12V Product Wiring:Lin GND : respectively indicates the left channel in the audio input signal, the ground line, the right channel Lout GND Rout: respectively indicates the left channel in the audio output signal, the ground line, the right channel MICI MIC2: used to connect the microphone, the connector of the microphone can be directly plugged in. Music volume knob: used to adjust the sound quality of background music (accompaniment) Microphone volume knob: used to adjust the size of the microphone sound Reverb depth knob: used to adjust the size of the microphone sound Reverberation time knob: used to adjust the playback time of the microphone sound Note: 1. It is recommended to use AC Double 12v transformer for board recommended power supply 2. Condenser mic is not supported, only moving coil microphone is supported. 3. The audio output part of this board needs to be received amplifier board, and cannot be directly connected to the audio. 4. As for howling, at present, karaoke products in the world, whether finished products or plates, definitely howling when the microphone is close to the speaker, which is absolutely impossible to eradicate. Different batches may have different printing screens, but it does not affect the use Color: Blue Material: PCB+Components Package Contents: 1 x reverberation board 1 x cable 1 set x screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.