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AJMRTC CJMCU9813 MAX9813H Microphone Amplifier Module, Fixed Gain Integrated Bias Microphone Audio Amp Board for Sound Collection and Audio Signal Acquisition Projects
- 1. CJMCU9813 audio amplifier module built with MAX9813H chip, integrates microphone amplifier with fixed gain for audio signal amplification.
- 2. Comes with integrated bias circuit, simplifies peripheral circuit design and reduces extra component requirements for microphone input.
- 3. Stable audio signal output, effectively amplifies weak microphone input signal for sound collection and audio detection applications.
- 4. Compact board layout, straightforward wiring interface, easy to integrate with singlechip microcontrollers and embedded development systems.
- 5. Suitable for voice acquisition, audio monitoring, soundtriggered projects and other DIY electronic audio experimental development.
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AJMRTC CJMCU9813 module adopts MAX9813H microphone amplifier chip, featuring fixed gain amplification and integrated bias function for microphone input. This module amplifies faint sound signals captured by microphone and outputs processed audio signal, removing the need for complicated peripheral bias circuits.
With compact physical size and clear pin interfaces, it can be conveniently connected to various MCU and embedded hardware. It performs reliably for sound pickup, voice detection, sound trigger experiments and audiorelated DIY development. Microphone and main controller are not included in package. Please work within module rated operating voltage to avoid abnormal working status.
Specifications- Brand: AJMRTC
- Model: CJMCU9813
- Main Chip: MAX9813H
- Function: Microphone Amplifier, Fixed Gain, Integrated Bias
- Application: Sound Collection, Audio Signal Acquisition, Audio DIY Experiments
- Package Content: 1 × CJMCU9813 Microphone Amplifier Module
- Note: Microphone and controller are not included
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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