DC 12V 24V PT2399 Digital Microphone Audio Amplifier Board Karaoke Plate Reverb Preamplifier Reverberator OP275 Op Amp
DC 12V 24V PT2399 Digital Microphone Audio Amplifier Board Karaoke Plate Reverb Preamplifier Reverberator OP275 Op Amp
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DC 12V 24V PT2399 Digital Microphone Audio Amplifier Board Karaoke Plate Reverb Preamplifier Reverberator OP275 Op Amp

3 stars out of 1 review
(3.0)|
1 rating

Key item features

  • The latest upgrade: LM317 low ripple voltage regulator circuit design, preamplifier were used in a fever-class 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.
Current price is $14.77
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  • Free 30-day returns

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Columbus, 43215
Arrives between Apr 30 - May 7
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Sold and shipped by Shengbai Tong Co.Ltd
3.935251798561151 stars out of 5, based on 139 seller reviews(3.9)
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3 out of 5 stars
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Jun 14, 2025
Rvalcourt
Sold and shipped byShengbai Tong Co.Ltd
3 out of 5 stars review

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