5 out of 5
Kemo M040N Preamplifier Module
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Pricing Note
Product Description
Manufacturer Part Number: M040N
Low gain? The Kemo M040N is a simple, robust solution for boosting audio levels from microphones or any other relatively weak source.
Key Features:
Kemo M040N Preamplifier Module
The Kemo M040N is an ideal way to add a 40 dB boost to a relatively weak audio source, such as a microphone, when inserted between the source and a power amplifier. Installation is made easy with the attached wire leads.
Specifications: Operating voltage: 9 - 24 VDC Frequency response: 20 - 20,000 Hz Input voltage: 2 - 50 mV Output: 0.2 - 5 V Input impedance: 50 kΩ Output impedance: < 1 kΩ Amplification: 40 dB ± 10% Distortion: < 0.02% Current consumption: < 2 mA Dimensions: 1.18" x 0.98" x 0.59" (without mounting straps)
Low gain? The Kemo M040N is a simple, robust solution for boosting audio levels from microphones or any other relatively weak source.
Key Features:
- Perfect for bringing a mic-level signal up to line-level
- Small form-factor can be built into many projects
- Pair with a Kemo amplifier module for a compact PA system
Kemo M040N Preamplifier Module
The Kemo M040N is an ideal way to add a 40 dB boost to a relatively weak audio source, such as a microphone, when inserted between the source and a power amplifier. Installation is made easy with the attached wire leads.
Specifications: Operating voltage: 9 - 24 VDC Frequency response: 20 - 20,000 Hz Input voltage: 2 - 50 mV Output: 0.2 - 5 V Input impedance: 50 kΩ Output impedance: < 1 kΩ Amplification: 40 dB ± 10% Distortion: < 0.02% Current consumption: < 2 mA Dimensions: 1.18" x 0.98" x 0.59" (without mounting straps)
Product Details | |
|---|---|
| Brand | Kemo Electronic |
| Model | M040N |
| Part Number | 320-555 |
| Unit of Measure | Each |
| Weight | 0.2 |
Product Specifications | |
|---|---|
| Board Type | Preamp |
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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Customer Reviews
By Wyora
Date: May 03, 2018
This little module does exactly what I needed. I started out to build a preamplifier to use condenser microphones with a boom box for a small area portable PA system. I did and it worked but generated too much noise. While researching the noise issue I found the Kemo modules. When it arrived I ripped the guts from my home-built amp and wired in the Kemo M040N. AMAZING! It worked and there was no detectable noise. Kemo manufactures other modules that are compatible with the M040N.
Rating: 
[5 of 5 Stars!]
[5 of 5 Stars!]
By Maria Luiza Ballarini
Date: April 02, 2018
It's perfect for my radionic machine.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Warren
Date: October 09, 2016
This pre-amp worked great for my dynamic microphone and only needs a 9V battery. The directions and wiring were very easy to follow.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
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