Gooseneck microphones are widely used in conference rooms, podiums, and discussion systems where speech clarity and environmental noise rejection are essential. At the core of every successful gooseneck microphone is the electret microphone capsule, which shapes how well the microphone performs in a real conference environment. This article explains what to look for in a capsule for conference applications and highlights the ECM-B9750UL38-630 — one of the most balanced microphone elements for gooseneck systems.
What Makes a Good Gooseneck Microphone Capsule?
- Unidirectional pickup: Necessary to focus on the talker while reducing background and table noise.
- Stable frequency response: Guarantees intelligible speech across the 100 Hz~10 kHz voice band.
- High signal-to-noise ratio: Ensures a clean conference audio signal.
- Compact size: Allows easy installation inside slim gooseneck microphone housings.
Main Recommended Model: ECM-B9750UL38-630
| Model | ECM-B9750UL38-630 |
| Dimensions | 9.7 × 5 mm |
| Directivity | Unidirectional |
| Sensitivity | -38dB ±2 |
| Impedance | 680Ω |
| S/N Ratio | 70dB |
| Max SPL | 110dB |
| Operating Voltage | 1.5Vdc |
| Frequency Response | 100Hz ~ 10kHz |
The ECM-B9750UL38-630 provides a highly balanced response for gooseneck microphone systems. While its total operating range spans 100 Hz–10 kHz, the core stable range of 500 Hz–10 kHz ensures clear and natural speech capture, offering 70 dB signal-to-noise for clean pickup even in quieter conference rooms. With its unidirectional pattern, it effectively suppresses surrounding noise and concentrates on the speaker’s voice.
Learn more about ECM-B9750UL38-630 gooseneck microphone capsule
Frequency Response Characteristics
The capsule rises from 100 Hz, remains flat across 500–10 kHz for natural speech, and rolls off above 10 kHz. Low frequencies below 100 Hz are naturally attenuated to reduce desk rumble.
Reference Capsules for Other Conference Applications
For other conference microphone applications beyond gooseneck systems, the following capsules are suitable:
| Model | Dimensions | Sensitivity | Typical Usage |
|---|---|---|---|
| ECM-B9745MU-BLC | 9.7 × 4.5 mm | -32dB ±3 | Desktop video conference microphone (3 V input) |
| ECM-B1465UL34-24395 | 14 × 6.5 mm | -34dB ±2 | Ceiling or table microphone array element |
| ECM-770 | 9.7 × 5 mm | -38dB ±2 | Wireless conference microphone capsule |
Application Scenarios
Electret microphone elements optimized for gooseneck microphone use can be deployed in:
- Podium and lectern microphones
- Conference discussion units
- Video conference speakerphones
- Array microphones for large meeting rooms
When selecting a capsule, always consider its sensitivity, stability, and how well its frequency response matches the voice bandwidth required in modern conference microphone systems.
To meet these requirements, partnering with a reliable manufacturer like ECMIC ensures consistent quality and performance. ECMIC specializes in producing high-consistency microphone capsules for gooseneck and conference microphone systems, supporting OEM/ODM customization to accommodate different acoustic designs and product integration needs.
