

ACM-U41/U42 Microphone
Audio Conference Chairman/Delegate Unit
- High-Fidelity Audio & Connectivity: Features 48kHz uncompressed audio with 80Hz–16kHz bandwidth, 100M TCP/IP network transmission, and daisy-chained cabling for pristine sound quality and seamless integration.
- Multilingual Conferencing Tools: Supports 63+1 interpretation channels, dual-channel listening via 3.5mm jacks, and a 4.3″ touchscreen with four-language UI for dynamic multilingual meeting management.
- Role-Based Control & Customization: Chairman unit prioritizes delegate muting, speech timers, and unrestricted control, while PC/web interfaces adjust mic parameters (ID/sensitivity/EQ), voting modes, and sign-in workflows.
- Advanced Audio Processing: Combines 5-band EQ tuning, feedback suppression, and voice-activated controls with adjustable sensitivity to optimize sound clarity across diverse speakers.
- System Security & Maintenance: Enables IP/MAC sniffing for device identification, web-based firmware upgrades, and secure network diagnostics via ping protocols for robust system reliability.
Categories: HOLOWITS, Intelligent Collaboration
- Description
Description
Technical Spec
| Model | ACM-U41 | ACM-U42 |
| Microphone type | Electret condenser microphone |
| Microphone directivity | Cardioid |
| Frequency response | 80Hz~16KHz |
| Microphone input impedance | 680Ω |
| Sensitivity | -41±1.5dB (0dB=1V/Pa,at 1KHz) |
| Maximum SPL | 120dB |
| SNR | >80dB(A) |
| Crosstalk | >70dB |
| Dynamic range | >80dB |
| THD | <0.1% |
| Maximum power consumption | 3W |
| Power supply | Conference server power supply |
| Color | Fine sand graphite gray |
| Sign-in method | Key sign in |
| Dimension | 140*136*49mm (L*W*H) |
| Microphone pole | 380mm |
| Installation method | Desktop |
| Weight | 0.62Kg |




