Dc 12v 3.5ma - Microphone Amplifier Module
SKU #4917740765220
Type: Microphone Accessories
Availability: In Stock
Prices starting from: $ 25.08
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Name: Microphone with adjustable sensitivity Working voltage: DC9-15V, 12V Recommended Working current: above 100mAResponse frequency: 20Hz-20KHzMonitoring
Range: about 100 square meters Finished product size: length 56 * width 25 * height 16mmProduct net weight: 15 grams The power input has anti-reverse protection, which can effectively prevent the module from being damaged if the power is reversed. Product Feature::
This product uses a low-noise processing chip, plus a diaphragm capacitor microphone, combined into a power amplifier that can be connected to audio input. Can directly monitor the subtle sound of the scene.
Equipped with a trimming resistor, which can adjust the sensitivity and easily change the monitoring distance and range.
Scope of application:
It can be in factories, banks, schools, trains and other production facilities that need to be monitored. It can be as auxiliary equipment such as monitoring and synchronous recording.
It can also be as a megaphone with the power amplifier. Connecting two modules can be as an intercom system.
Tips:
When the signal is too strong, or the pickup and the speaker are close together, self-excitation may occur.
At this time, you can set the amplifier volume. Turn down or reduce the sensitivity on the module.
The positive and negative sides of the interface are marked, pay attention to it when wiring. The output needs to be connected to the amplifier to hear the sound, and cannot be directly connected to the speaker.
Do not need to connect the amplifier when recording.
Package included: 1 x Microphone Pickup Audio Microphone Amplifier Module DIY
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.
Range: about 100 square meters Finished product size: length 56 * width 25 * height 16mmProduct net weight: 15 grams The power input has anti-reverse protection, which can effectively prevent the module from being damaged if the power is reversed. Product Feature::
This product uses a low-noise processing chip, plus a diaphragm capacitor microphone, combined into a power amplifier that can be connected to audio input. Can directly monitor the subtle sound of the scene.
Equipped with a trimming resistor, which can adjust the sensitivity and easily change the monitoring distance and range.
Scope of application:
It can be in factories, banks, schools, trains and other production facilities that need to be monitored. It can be as auxiliary equipment such as monitoring and synchronous recording.
It can also be as a megaphone with the power amplifier. Connecting two modules can be as an intercom system.
Tips:
When the signal is too strong, or the pickup and the speaker are close together, self-excitation may occur.
At this time, you can set the amplifier volume. Turn down or reduce the sensitivity on the module.
The positive and negative sides of the interface are marked, pay attention to it when wiring. The output needs to be connected to the amplifier to hear the sound, and cannot be directly connected to the speaker.
Do not need to connect the amplifier when recording.
Package included: 1 x Microphone Pickup Audio Microphone Amplifier Module DIY
WARRANTY
We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.
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