This type of karaoke board adopts PT2399 chip, which plays the role of echo sound effects. PT2399 is a typical karaoke echo processing integrated circuit.It is widely used in CD, VCD, DVD, TV and karaoke machines.
The prime amplifier of the microphone used two classic dual-transport NE5532. It is used for audio signal amplification and effective processing. The board is with two-channel microphone input and audio hybrid technology. You can enjoy the fun of karaoke.
|2||Name||karaoke reverberation board|
|3||Output load||Post - level amplifier|
|4||Chip selection||dual power AC12V|
1>. Power supply is with AC double 12V transformers.
2>. The audio output part of this board needs to be connected to the amplifier plate, not the stereo.
3>. As for the scream, now all of the k-song products, when the microphone is near the speakers, they will scream. So don't hold the microphone to the speakers.
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