Original factory technical specifications

Attention! This is the EM204NM1, an even more precious variant than the EM204.
The suffix "N" indicates that this electret microphone capsule has a built-in 10+33pF capacitor, effectively suppressing interference in specific frequency bands.
"M1" signifies its enhanced sensitivity precision, with the tolerance range tightened from the original ±3dB to ±2dB.
Primo has pre-soldered Japanese MIYAMA cable (approx. 6cm in length) to the G (Gate) and D (Drain) terminals of the microphone capsule. A cable is also prepared for the S (Source) terminal, allowing users to solder it according to their specific design requirements.
This electret microphone capsule model is discontinued. Only the final 600 pcs remain.
Inventory will be updated live.
Remarkable matters:
Directivity:Uni-directional
Dimensions[mm]:φ14.6 x 4.5
Sensitivity:-31dB±2dB at 1 kHz (0dB=1V/Pa)
Signal to Noise ratio[dB]:78Typ.
Max Input Sound Pressure Level[dB S.P.L.]:127Typ.
Built-in Capacitor: 10+33pF
At Micverve, we’re committed to offering reliable and affordable worldwide shipping for all our electret condenser microphones, capsules, and electroacoustic components. Below you’ll find important details about our shipping options, rates, and delivery times.
No matter where you are, we’ll deliver your order safely and promptly.
Shipping Methods & Rates
We offer three types of shipping rates based on the type of product you order:
1. Standard Shipping – $4 Flat Rate
2. Special Shipping Type A – From $4 + $0.14 Per Additional Unit
3. Special Shipping Type B – From $5.10 + $2.70 Per Additional Unit
Note: You can find which products fall under these special shipping types on the corresponding product pages or by visiting the links above.
Processing Time:
We typically process orders within 1–3 business days after receiving payment.
Estimated Delivery Time by Region:
A tracking number will be provided once your order has been shipped.
For questions about shipping, delivery times, or large orders, feel free to contact us at:
📧 kzk@micverve.com
At MicVerve, we are committed to providing quality products and service. If for any reason you are not satisfied with your purchase, please review our return policy below:
How to Initiate a Return
To initiate a return, please contact us first via email:
📧 Email: kzk@micverve.com
Please do not send back items without prior communication and approval.
Return Conditions
International Returns
Refunds & Exchanges
Return Address
Room 02, 73rd Floor, Saige Plaza, Huaqiang North Road, Futian District, Shenzhen City, Guangdong Province, China
If you have any questions or concerns about your return, feel free to contact us at kzk@micverve.com.
Regular price
$43.45 Regular price Sold out Unit price /Our vision is to remain a company respected and valued by all manufacturing partners—10, even 20 years from now.
over the past two decades, we have conducted thousands of quality inspections and negotiated with overseas suppliers to resolve defects, allowing us to develop deep expertise.
We’ve also mastered the precise identification of counterfeit components.