Megaphones, portable amplifiers, and public address (PA) systems require clear voice transmission and minimal feedback. Whether used in outdoor broadcasting, classroom amplification, or tour guiding, the quality of the microphone capsule directly affects how clearly the message is heard.
Our ECM-B1463UL34-683 is a unidirectional electret microphone capsule designed specifically for megaphones and portable PA systems. It delivers stable performance, high sensitivity, and excellent noise control, ensuring professional-level audio quality in various environments.
Product Specifications
| Specification | Details |
|---|---|
| Dimensions | 14 × 6.3 mm |
| Directivity | Unidirectional |
| Sensitivity | -34 ±2 dB |
| Impedance | 2.2 kΩ |
| S/N Ratio | 75 dB |
| Max SPL | 110 dB |
| Operating Voltage | 2 Vdc |
| Frequency Response | 100 Hz – 10 kHz |
| Current Consumption | 500 μA |
Frequency Response
Applications in Real-World Scenarios
The ECM-B1463UL34-683 performs exceptionally in various megaphone and PA system setups. In handheld megaphones, it ensures the speaker’s voice is projected clearly over long distances, while minimizing background noise and feedback. For portable amplifiers used in classrooms or guided tours, its directional pickup maintains voice clarity even in crowded or noisy environments. Vehicle PA systems benefit from its robust signal output and high S/N ratio, making it ideal for emergency announcements or commercial applications. Learn more about our 14mm microphone element solutions for OEM manufacturers.
Key Advantages
The ECM-B1463UL34-683 offers multiple benefits for OEM and ODM manufacturers. Its high sensitivity captures voice clearly from a distance. The unidirectional design reduces background interference and prevents howling. Built with durable materials, it maintains stable performance under vibration and outdoor conditions. Additionally, its consistent output is optimized for automated production lines, ensuring quality across large batches.
Designed for OEM / ODM Manufacturing
As a professional microphone component manufacturer, we supply capsules to brands and factories worldwide. The ECM-B1463UL34-683 is engineered for easy integration into plastic housings or handle designs, consistent frequency response across production batches, and support for high-volume assembly. Reliability, acoustic consistency, and supply stability are guaranteed, making it a trusted choice for OEM and ODM customers.
Partner With Us
If you are developing or upgrading a megaphone, portable amplifier, or PA device, the ECM-B1463UL34-683 offers a proven, high-performance solution. We provide custom tuning, bulk supply, and OEM collaboration to support your manufacturing needs. Contact us to request samples, specifications, or integration support for your projects.
