DC 3.8V-15V AD828 Stereo Dynamic Microphone Preamplifier Board Audio Mic Preamp
1. Using high-quality materials, the quality is guaranteed
2. AD828 dynamic microphone preamplifier board
3. Small size, easy to use
4. Stereo 3.8-15V lithium battery power supply
5. Wide range of applications
Working voltage: DC3.8V-15V
Board size: 33*20mm
This microphone amplifier board does not have a power supply voltage regulator circuit. It can only be powered by a battery or a linear voltage regulator power supply, and cannot be powered by a switching power supply, otherwise there will be interference.
1* AD828 amplifier board
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If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.