DIY PT2399 Kara OK Microphone Signal Amplification Sound Board Kit
Description:
PT2399 kit responsible for echo sound processing， Using two microphone inputs (compatible with electret microphone)， two microphones by two potentiometers to control the output volume， the advantages of this design are: avoiding the big voice A singer covered B singer's voice
Power requirements:
Input a single power supply， optional AC or DC input DC power supply can be， regardless of the positive and negative access. Input voltage range: AC 9V ~ 12V， DC 10V ~ 18V， low power consumption of the circuit， the supply current 500ma can be used (can be connected to 12V battery-powered use).
Note: Do not share the same set of AC voltage with your amplifier board! Otherwise it will burn board components! Package included: 1 x DIY PT2399 Kara OK Microphone Signal Amplification Sound Board Kit