Feature

●The brake throttle of the power consumption can be AC and DC. The DC input can be divided into positive and negative and is therefore more convenient to use
●The latest upgrade: LM317 low ripple voltage regulator circuit design, preamps were used in a fever class op amplifier OP275,
●Dynamic microphone, electret microphone universal, a wider purpose
●JP1, JP2 Choose the microphone type for setting the pin: JP1, JP2 to stop, jumper plug is the working mode of the electret microphone, jumper cap connector is the dynamic microphone operation mode.


Description

KMSOIOA Microphone reverberation chip using PT2399, microphone amplification or preamp using a fever class operational amplifier OP275, microphone board microphone volume can be controlled independently. Dynamic microphone, electret microphone can be universal. The board features MIC-1 volume, MIC-2 volume, reverberation times, reverb and external volume control.
Operating voltage: 6V-17V or DC: 12V-24V.
Colour: red.
Material: plastic.
Size: 100 x 50 mm.

Package contents:
1 x audio amplifier board.

Only the above package content, other products are not included.
Note: Due to the light and screen difference, the colour of the item in the photos may be slightly different. The allowed measurement error is +/- 1-3 cm.