
Megaphones, portable amplifiers, and public address (PA) systems require clear voice transmission そして 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.
製品仕様
| 仕様 | 詳細 |
|---|---|
| 寸法 | 14 × 6.3 mm |
| 指向性 | 一方向 |
| 感度 | -34 ±2 dB |
| インピーダンス | 2.2 kΩ |
| S/N比 | 75 dB |
| 最大音圧レベル | 110 dB |
| 動作電圧 | 2 Vdc |
| 周波数応答 | 100 Hz – 10 kHz |
| 消費電流 | 500 μA |
周波数応答

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 高感度 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. お問い合わせ to request samples, specifications, or integration support for your projects.