MAX4466 Electret Microphone Preamplifier Module With SSM2167 Voice Compression

Description

MAX4466 Electret Microphone Preamplifier Module With SSM2167 Voice Compression
1. Using high-quality materials, the quality is guaranteed
2. Using max4466 microphone amplifier + ssm2167 voice compression amplifier design
3. Adjustable magnification
4. Small size and beautiful appearance
5. Suitable for hearing aids, conference speech, intercom calls, etc.
parameter:
Working voltage: DC3V-5V
Note: This is only a small signal amplification, can not directly drive the speaker, you need to add a power amplifier.
With voice compressor has the following advantages:
1: Compressing the dynamic range of the microphone signal reduces the level of peak signals and increases gain for low-level signals.
2: Reduce the noise floor of the microphone signal and effectively improve the clarity of the output signal
Package list:
MAX4466 Electret Microphone Amplifier Board*1"
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Return Policy
Shipping
Domestic
We believe you need to get your purchases as quick as possible. As a general rule your item will be shipped within 24 hours of you purchasing it. We pack and post from Tuesday to Sunday (Mondays we are closed) but definitely get all our mail off to the post office first thing Monday morning for you. Mail gets picked up at 12pm so chances are if you buy before lunchtime your item will leave the same day.
International
Same as above but understand that depending on what part of the world you are from it does take a little longer to send, delivery can be from 7-15 working days. Also other factors to take into consideration are quarantine and customs regulations in your country. It is also a consideration that customs duties and GST/VAT may be payable at the buyers expense.
Combined Postage (for items with shipping charges):
We are more than happy to combine postage, just use the Buy it Now function in eBay (but DO NOT PAY after purchasing each item) to buy all the products you need, when you have finished request a combined invoice, we will base the shipping cost on the size, weight and your location.
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Contact us
For anything problem about product, price, shipping or order status, pleasecontact us via eBay message.Just contact us using the "
Ask the seller a question
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We expect positive feedback and 5 scores DSR  from you.
Return Policy
We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.
Please include your eBay ID and item number with any email requests.