ACM-S41D/S42D Wireless Microphone
Wireless Audio Conference Chairman/Delegate Unit
- High-Quality Audio & Fast Setup: Features 48kHz sampling rate with DSP processing for superior CD-quality sound, plus 5-second quick-connect technology and intelligent fault detection for AP/host/signal issues.
- Smart Charging & Connectivity: Supports 18W Type-C fast charging with status indicators, wireless transmission for quick venue setup, and UI-configurable SSID settings with Chinese/English language options.
- Advanced Conference Controls: Includes voice-activated microphones with adjustable sensitivity, speech timing/countdown functions, and PC-managed sign-in/voting systems (5-key/3-key options).
- Secure Wireless System: Utilizes 128-bit AES encryption and WPA/WPA2 security protocols to prevent unauthorized access while maintaining meeting confidentiality.
- Role-Based Management: Features chairman priority to mute delegates, approval-based speaking requests, 4.3″ touchscreen interface, and 3.5mm external microphone connectivity for flexible conference operation.
- Description
Description
Technical Spec
| Model | ACM-S41D | ACM-S42D |
| Microphone type | Cardioid directional electret microphone |
| Frequency response | 80Hz~16kHz |
| Sensitivity | -40±1dB (0dB=1V/Pa,at 1KHz) |
| Max SPL | 120dB(THD＜3%) |
| SNR | >80dB(A) |
| Crosstalk | >70dB |
| Dynamic range | >80dB |
| THD | <0.1% |
| power consumption | 3W |
| Power supply | 18650 lithium battery |
| Charging method | Type-C interface |
| Colour | Graphite gray |
| Sign-in function | Touch screen sign in |
| Display screen | IPS screen |
| Dimension | 136×140×48.5mm (excluding microphone rod length) |
| Installation method | Desktop |
| Wireless frequency range | 5.15~5.85GHz |
| Battery capacity | 9600mAh |
| Microphone pole | 240mm integrated square short microphone rod (light black) |
| Working hour in speech mode | 13 hours |
| Working hour in mixed mode | 14 hours |
| Weight | 1.4kg |
