PT2399 Echo Microphone Bass Tone Treble Pre Amplifier Board Karaoke Reverb Kit

Description

Kara OK board using the original PT2399 chip, responsible for the echo sound processing, the original PT2399 is a

typical Kara 0K echo processing integrated circuits,

In CD, VCD, DVD, TV audio \’ Kara 0K machine a wide range of applications. Preamplifier with original dual amp

JRC4558 is responsible for audio signal amplification and effective processing.

Two-way microphone input + audio mixing technology.

Note:

1.UsE dual 12V +12v DC supply only.

2. This board audio output part needs to connect amplifier board, and can not directly connect to the Audio.

3. Do not face the speaker to the microphone.

Interface Description:

1. Lin GND Rin: Represents the left channel / GND / right channel of the audio input signal

2. Lout GND Rout: Represents the left channel / GND / right channel of the audio output signal

3.MIC1 MIC2: used to connect the microphone

4. AUX volume knob: used to adjust the background music (accompaniment) sound size

5. Microphone volume knob: used to adjust the microphone sound size

6. Echo CTRL Knob: Used to adjust the microphone\’s playback time