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ACM-U11D/U12D Microphone
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Audio Conference Chairman/Delegate Unit
- High-Fidelity Audio & Network Integration: Utilizes 48kHz uncompressed audio with 80Hz–16kHz bandwidth, 100M TCP/IP network transmission, and capacitive touch buttons for noise-free operation, ensuring pristine sound quality and seamless connectivity via daisy-chained cabling.
- Multilingual Conferencing & Control: Features a 3.5″ touchscreen, 63+1 simultaneous interpretation channels with dual headphone outputs, and a built-in web server for adjusting mic parameters (ID/sensitivity/EQ), language switching (4 languages), and firmware upgrades.
- Dynamic Meeting Management: Chairman unit prioritizes delegate muting, speech timers/countdowns, and voice-activated controls with adjustable sensitivity, paired with PC software for sign-in/voting customization and real-time clock display toggling.
- Advanced Audio Processing: Integrates 5-band EQ tuning, feedback suppression, and dual-channel listening to optimize sound for diverse speakers while maintaining acoustic stability.
- System Security & Diagnostics: Supports IP/MAC address sniffing for device identification, automated voting workflows, and secure firmware updates via web interface for robust conference system integrity.
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- Description
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Description
Technical Spec
| Model | ACM-U11D | ACM-U12D |
| Microphone type | Electret condenser microphone |
| Microphone directivity | Cardioid |
| Frequency response | 80Hz~16kHz |
| Microphone input impedance | 1KΩ |
| Sensitivity | -40±1dB (0dB=1V/Pa,at 1KHz) |
| Maximum SPL | 120dB(THD＜3%) |
| SNR | >80dB(A) |
| Crosstalk | >70dB |
| Dynamic range | >80dB |
| THD | <0.3% |
| Maximum power consumption | 3.5W |
| Power supply | Conference server power supply |
| Color | Fine sand graphite grey |
| Sign-in method | button to sign in |
| Dimension | 145.7*133.6*45(mm) (L*W*H)（without Microphone pole） |
| Microphone pole | 240mm integrated square short microphone rod (light black) |
| Installation method | Desktop |
| Weight | 1kg |
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