Feature

●The latest upgrade: LM317 low ripple voltage regulator circuit design, preamplifier were used in a fever-cl op amp OP275,
●Power input bridge reactor, can be AC and DC, DC input can be divided into positive and negative, so more convenient to use
●Dynamic microphone, electret microphone universal, a broader purpose
●JP1, JP2 Select the type of microphone for setting the pin: JP1, JP2 all the way, jumper plug is the working mode of the electret microphone, jumper cap plug is dynamic microphone mode of operation.
●Microphone reverberation chip using PT2399, microphone amplification, preamplifier respectively, using a fever cl op amp OP275, microphone board two microphone volume can be independently controlled. Dynamic microphone, electret microphone can be universal. Board has MIC-1 volume, MIC-2 volume, reverberation times, reverb, external o volume adjustment.


Description

Working voltage: AC: 6v-17v or DC: 12v-24vColour:RedMaterial:plasticSize:100x50mmPackage Contents:1 * o Amplifier BoardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.