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Digital Microphone Amplifier Tone Board PT2399 Karaoke Reverb Preamplifier Board Dual AC12-15V

<div>Welcome to our store! We hope you have a wonderful shopping experience!</div>

<ul><li>The board uses the PT2399 built-in chip to return to sound processing, and the setting is the four amp field effect opTL074 for audio signal amplification and sound processing. 
Also added a new 5V output, can be connected to the USB Bluetooth decoder board, more convenient to use. 
In addition, the karaoke card also uses a two-way microphone input (compatible with electret microphone) 
Working voltage: Double AC12 ~ 15V 
Colour: green 
Material: plastic 
Size: 157x88mm 
Package Contents: 
1 * Microphone Amplifier Tone Board 
NOTE: 
This is the front tuning card of the amplifier. Need to be equipped with a post amplifier to use. 
If you contact for the first time, you might not understand, 
This card is set up with a station amplifier and has no audio output. You need to match a post amplifier. Just import the signal from the preamp. 
Pre-tuning signal-input post-amplifier-post-amplifier pushes signal processing to the speaker 
Only the above package content, other products are not included. 
Note: Light shooting 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.</li></ul>

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The board uses the PT2399 built-in chip to return to sound processing, and the setting is the four amp field effect opTL074 for audio signal amplification and sound processing. 
Also added a new 5V output, can be connected to the USB Bluetooth decoder board, more convenient to use. 
In addition, the karaoke card also uses a two-way microphone input (compatible with electret microphone) 
Working voltage: Double AC12 ~ 15V 
Colour: green 
Material: plastic 
Size: 157x88mm 
Package Contents: 
1 * Microphone Amplifier Tone Board 
NOTE: 
This is the front tuning card of the amplifier. Need to be equipped with a post amplifier to use. 
If you contact for the first time, you might not understand, 
This card is set up with a station amplifier and has no audio output. You need to match a post amplifier. Just import the signal from the preamp. 
Pre-tuning signal-input post-amplifier-post-amplifier pushes signal processing to the speaker 
Only the above package content, other products are not included. 
Note: Light shooting 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.

Digital Microphone Amplifier Tone Board PT2399 Karaoke Reverb Preamplifier Board Dual AC12-15V

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