Description
DC5-15V AD828 Dynamic Microphone Preamplifier Dual Preamp Board Preamp Circuit Board
Product Description
Ultra-small volume dynamic microphone pre-amplifier Dual-channel design, suitable for single-cell lithium battery power supply, using fever op amp chips NE5532, AD828 and TDA130. Note: This microphone amplifier board does not have a power supply voltage stabilizer circuit. It can only be powered by a battery or a linear stabilized power supply, and cannot be powered by a switching power supply, otherwise there will be interference. If this question asks for a return, it will not be refunded or exchanged, please pay attention when purchasing!
Specification
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item
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value
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Operating voltage
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DC5v-15v
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Board size
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33mm*20mm
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Note
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If only one channel is needed, the input of the other channel needs to be shorted with GND (ground) (to avoid interfering signal serialization)
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Details Images