ACM-P21D/P22D Microphone
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.
Delivery & Return
We want you to be happy with your purchase and we apologize if it is not. For whatever reason that you are not satisfied, we would be most happy to provide exchanges and returns for all items purchased from us if the following conditions are met.
Rules
For delivery and returns information, please review our Return & Refund Policy or contact our team before ordering. Eligibility and time limits depend on the product condition, order type, manufacturer terms, and the terms agreed in your quotation.
Interpretation and Definitions
For delivery and returns information, please review our Return & Refund Policy or contact our team before ordering. Eligibility and time limits depend on the product condition, order type, manufacturer terms, and the terms agreed in your quotation.
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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 |
Q & A
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