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.