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ACM-P21D/P22D Microphone
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Audio Conference Chairmen/Delegate Unit
- High-Fidelity Audio & Network Integration: Utilizes 48kHz uncompressed audio transmission with 80Hz–16kHz bandwidth, PoE power, and capacitive touch buttons for noise-free operation, ensuring pristine sound quality and reliable long-distance connectivity.
- Role-Based Control & Management: Chairman units prioritize muting delegates, while delegates request speaking rights via PC software, supported by voice activation, speech timers, and sign-in controls through a multilingual web interface.
- Advanced Network Protocols: Operates via TCP/IP suite (ICMP, HTTP, UDP, TCP, IGMP), 100M PoE network transmission, and PING packet functionality for robust communication and device diagnostics.
- Customizable Audio Processing: Features 5-band EQ adjustments, feedback suppression, and voice sensitivity tuning to optimize sound for diverse speakers, paired with phantom power support.
- System Maintenance & Security: Enables web-based firmware upgrades, IP/MAC address sniffing for device identification, and centralized parameter adjustments (ID, sensitivity, EQ) via PC tools.
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- Description
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Description
Technical Spec
| Model | ACM-P21D | ACM-P22D |
| Microphone type | Electret Condenser Microphone |
| Microphone directivity | Cardioid |
| Frequency response | 80Hz~16kHz |
| Input impedance | 1KΩ |
| Sensitivity | -40±1dB (0dB=1V/Pa, at1KHz) |
| Max SPL | 120dB(THD>3%) |
| SNR | >80dB(A) |
| Crosstalk | >70dB |
| Dynamic range | >80dB |
| THD | <0.1% |
| Maximum power consumption | 2.5W |
| Power supply | POE power supply / phantom power 48V |
| Color | Gray |
| Sign-in function | Button sign in |
| Dimension (L×W×H) | 106*136*59mm (excluding the mic pole) |
| Mic pole length | 240mm integrated square short microphone rod (light black) |
| Installation method | Desktop installation |
| Weight | 0.94kg |
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