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

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 NE5532 is responsible for audio signal amplification and effective processing Two way microphone input audio mixing technology Product parameter Model XH M173Name karaoke reverberation boardOutput Load 4 8ohnWorking voltage Dual AC12VSize 100 57 17 mmWeight 90gNote 1 Using AC double 12V transformer only 2 This board audio output part need connect amplifier board can not directly connect to Audio 3 Do not face the speaker to microphone Interface Knob Light Description 1 Lin GND Rin Represents the left channel GND right channel of the audio input signal2 Lout GND Rout Represents the left channel GND right channel of the audio output signal3 MIC1 MIC2 used to connect the microphone the microphone s connector plug directly4 Music volume knob used to adjust the background music accompaniment sound size5 Microphone volume knob used to adjust the microphone sound size6 Reverb Depth Knob Used to adjust the playback frequency of the microphone7 Reverb Time knob Used to adjust the microphone s playback time Package included 1 x PT2399 Digital Microphone Amplifier Board