5X DC 12V 24V PT2399 Digital Mic Audio Amplifier Board Karaoke Plate Reverb Preamplifier Reverberator OP275 Op Amp,5 * Audio Amplifier Board,Red

The latest upgrade: LM317 low ripple voltage regulator circuit design, preamplifier were used in a fever-class op amp OP275,<br>Power input bridge reactor, can be AC and DC, DC input can be divided into positive and negative, so more convenient to use<br>Dynamic microphone, electret microphone universal, a broader purpose<br>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.<br><br>Microphone reverberation chip using PT2399, microphone amplification, preamplifier respectively, using a fever class 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 audio volume adjustment.<br>Working voltage: AC: 6v-17v or DC: 12v-24v<br>Colour:Red<br>Material:plastic<br>Size:100x50mm<br><br>Package Contents:<br>5 * Audio Amplifier Board<br><br>Only the above package content, other products are not included.<br>Note: Light reflection 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.

• Audio Amplifier Board
• Amplifier Board Module
• Microphone Amplifier Board
• PT2399
• Karaoke Plate Reverb Preamplifier