Reliable voice communication is essential in public transport. Drivers need to speak clearly to passengers. They also need to communicate with dispatch centers. In noisy buses, clear audio is not easy. A quality bus intercom microphone makes all the difference.
Challenges in Bus Intercom Applications
Buses are noisy environments. Engines, doors, ventilation, and road vibration interfere with speech. Drivers and passengers need clear, stable communication. Dynamic microphone elements are preferred. They are rugged, resist vibration, and reject background noise effectively.
The ECM-DM2025K600 is designed for these conditions. It captures voice clearly and reduces unwanted noise.
ECM-DM2025K600 Dynamic Microphone Element
This compact microphone element is ideal for bus intercom systems. It offers high sensitivity and consistent output. Its unidirectional design focuses on the speaker’s voice. The element is lightweight and easy to integrate into panels or OEM systems.
| Parameter | Specification |
|---|---|
| Model | ECM-DM2025K600 |
| Type | Dynamic (Moving-Coil) Microphone |
| Dimensions | 20.4 × 24.9 mm |
| Weight | 7.8 g |
| Directivity | Unidirectional |
| Sensitivity | −61 dB ± 3 dB |
| Impedance | 600 Ω ± 15 % |
| S/N Ratio | 60 dB |
| Max SPL | 110 dB |
| Frequency Response | 100 Hz – 13 kHz |
Applications in Bus Communication Systems
The ECM-DM2025K600 is perfect for driver-passenger intercoms. It works well behind isolation shields. It captures clear voice near doors for passenger requests. It is also suitable for driver-dispatch communication. Its rugged design ensures reliable performance on school buses, shuttles, and long-distance coaches.
Clear communication is vital in public transport. A high-quality bus intercom microphone ensures drivers and passengers can hear each other. The ECM-DM2025K600 provides durability, clarity, and reliable performance in noisy environments. It is an excellent choice for OEM bus intercom systems.
Learn more about our 20 mm dynamic microphone series here: ECM 20mm Dynamic Microphone Elements.
