Overview
The Primo EM-90PX7 is a microphone cartridge designed for high-volume manufacturing and OEM applications. Primo EM-90PX7 units are supplied in bulk packaging of 500 pieces per box, making them suitable for organizations requiring large quantities of reliable microphone components. Manufactured by Primo Microphones, an ISO 9001 certified producer of electret condenser and dynamic microphones, this product meets professional standards for audio capture across consumer electronics, telecommunications, and industrial sectors.
Key Features
- Bulk packaging: 500 microphone units per box for efficient large-scale deployment
- New in box condition: Factory-fresh components ready for immediate integration
- Professional-grade microphone cartridge design suitable for OEM applications
- Manufacturer: Primo Microphones, Inc. (ISO 9001 certified)
- Compatible with a wide range of audio devices and communication systems
Technical Specifications
Verify detailed specifications including sensitivity, impedance, operating voltage, frequency response, and physical dimensions with Primo Microphones or your system integrator before ordering to ensure compatibility with your specific application.
Typical Applications
- Telecommunications handsets and headsets
- Consumer electronics and portable audio devices
- Automotive communication systems
- Industrial and commercial audio equipment
- Surveillance and security systems
- Conference and video conferencing devices
Compatibility & Replacements
Compatible With
- Devices utilizing standard microphone cartridge form factors
- OEM audio systems and consumer electronics platforms
- Electret condenser microphone mounting configurations
- Verify with your system integrator or Primo Microphones for specific device compatibility
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Confirm exact model interchangeability and pinout requirements with Primo Microphones technical support.
Works With
- Standard microphone cartridge interfaces and connectors
- Professional audio capture and processing systems
- Consumer electronics manufacturing platforms
- Telecommunications and VoIP infrastructure




















