Our Conference Solutions
Video Conference Microphone
Optimized for video conference applications with balanced sensitivity for clear voice pickup.
- Sensitivity: -35±2dB RL=2.2kΩ Vs=1.5V
- S/N Ratio: 56dB (Minimum)
- Max SPL: 110dB
- Current Consumption: 450μA (Max)
- ESD Protection: Contact ±6KV, Air ±8KV
Gooseneck Conference Microphone
Directional gooseneck microphone for conference tables with optimized table-distance sensitivity.
- Sensitivity: -38±2dB RL=680Ω Vs=1.5V
- S/N Ratio: 70dB (Typical)
- Max SPL: 110dB
- Operating Voltage: 1.5Vdc (1.0~10.0Vdc)
- Installation: MIC Diameter +0.05mm hole size
Public Address Microphone
High S/N ratio microphone for clear public address announcements in large conference environments.
- S/N Ratio: 75dB (Typical)
- Max SPL: 110dB
- Sensitivity: -34±2dB RL=2.2kΩ Vs=2.0V
- Operating Voltage: 2.0Vdc (1.0~10.0Vdc)
- Current Consumption: 500μA (Max)
Application Scenarios
Video Conferencing Systems
Model: ECM-B9745UL-35
- Professional video conference room setups
- Remote collaboration and team meetings
- Distance learning and virtual classrooms
- Unified communications platforms
Conference Room Systems
Model: ECM-B9750UL38-630
- Corporate boardrooms and meeting rooms
- Educational lecture halls and classrooms
- Government and court meeting facilities
- Fixed conference table installations
Public Address Systems
Model: ECM-B1463UL34-683
- Conference hall public address systems
- Large meeting room amplification
- Emergency announcement systems
- Outdoor conference event support
Selection Guide
|
Use Case |
Best Choice |
Key Benefit |
|
Video conferencing and remote meetings |
ECM-B9745UL-35 |
Optimized for video conference voice pickup |
|
Conference room table installations |
ECM-B9750UL38-630 |
Directional pickup for table distance |
|
Conference hall public address |
ECM-B1463UL34-683 |
High S/N ratio for clear announcements |
Technical Specifications
|
Parameter |
ECM-B9745UL-35 |
ECM-B9750UL38-630 |
ECM-B1463UL34-683 |
|
Type |
Electret Condenser |
Electret Condenser |
Electret Condenser |
|
Sensitivity |
-35±2dB @1.5V |
-38±2dB @1.5V |
-34±2dB @2.0V |
|
Impedance |
2.2kΩ Max |
680Ω Max |
2.2kΩ Max |
|
S/N Ratio |
56dB (Minimum) |
70dB (Typical) |
75dB (Typical) |
|
Max SPL |
110dB (THD≤3%) |
110dB (THD≤3%) |
110dB (THD≤3%) |
|
Standard Operating Voltage |
1.5Vdc |
1.5Vdc |
2.0Vdc |
|
Operating Voltage Range |
1.0~10.0Vdc |
1.0~10.0Vdc |
1.0~10.0Vdc |
|
Current Consumption |
450μA (Max) |
500μA (Max) |
500μA (Max) |
Reliability Standards
Environmental Testing:
- High Temperature: +70℃ to +80℃ for 100 hours
- Low Temperature: -40℃ for 100 hours
- Humidity & Heat: +50℃-55℃, 85%-90% RH
- Thermal Shock: +70℃ ↔ -40℃ cycling
Performance Criteria:
- Sensitivity change ≤ ±3dB after testing
- Vibration testing (10-55Hz, 1.52mm amplitude)
- Drop testing (1.0 meter height)
- Operating temperature: -35℃ ~ +70℃
Conference System Consultation Request
Request technical specifications, samples, or application consultation for our conference microphone solutions.