• Adhering to the stringent requirements set by IEC60914 and GBT15381-94 international standards, ensuring exceptional performance and reliability.
• The system boasts a patented appearance design that exudes a sense of sophistication and elegance, perfectly aligning with modern aesthetic standards.
• The unit operates passively and draws power from the system host. With a safe input voltage of 24V, it ensures a secure and efficient operation.
• The unit features an 8-core wire interface with a T-type 8-core connecting wire. By incorporating full-line aluminum foil and water line shielding, it effectively minimizes interference from strong electromagnetic waves.
• Equipping with a spiral aviation plug with a four-core design, our unit ensures reliable contact and prevents burst sound caused by poor connections.
• The sturdy gooseneck can be easily adjusted and features a wind bar to enhance speech clarity. Additionally, a speaking indicator ring provides visual cues during speaking sessions.
• The system utilizes pickup correction technology, enabling accurate capture of every sound detail, ensuring unparalleled audio quality.
• The mute switch is thoughtfully designed with a softly textured surface, eliminating mechanical noise when operated, thus ensuring a seamless and distraction-free experience.
• The system incorporates an anti-interference circuit design that effectively mitigates interference from cell phones and other electronic products, ensuring uninterrupted audio transmission.
• The unit's clear and bright indicator ring can be individually turned off as per your requirements, offering flexibility and customization options.
• Integrating with a high-quality capacitive microphone core, our unit delivers exceptional sound sensitivity and clear voice reproduction.
• The unit features a built-in high-fidelity/anti-cell phone signal interference capacitive head, effectively preventing interference from cell phones and other electronic devices.
• During speaking sessions, the unit's light ring remains continuously red, providing a clear visual indication of an active speaker.
• The display offers a clear view of operating unit parameters, date and time, and speaking volume, enabling users to have a comprehensive understanding of the current system status.
• The microphone units include a speech timing function, allowing precise control over speaking durations during conferences.
• The microphone switch operates silently without any mechanical key sound, ensuring longevity and uninterrupted functionality.
• The unit interface employs a "hand in hand" connection method, supporting hot-swapping for effortless installation and maintenance.
• The chairman unit is not restricted by the number of speakers, providing enhanced flexibility in conference configurations.
• The chairman unit boasts full control over the meeting order, ensuring smooth and organized proceedings with its priority function.
Model |
WM400D |
Type |
Delegate |
Radiohead |
14mm Gold plated capacitive |
Input, Output |
DIN-8P or RJ45 network port |
Input |
Heart-shaped pointing electret Cardioid |
Sensitivity |
-40 dBV/Pa |
Frequency Response |
20Hz~20KHz |
Input Impedance |
2 kΩ |
Directionality |
0°/180° 0°/180°> 20 dB (1 kHz) |
Equivalent noise |
20 dBA (SPL) |
Maximum Sound Pressure Level of Microphone |
SPL 125 dB (THD<3%) |
Signal to Noise Ratio |
S/N >80dB |
Channel Crosstalk |
80dB |
Total Harmonic Distortion |
T.H.D <0.05% |
Operating Voltage |
DC24V |
External Dimensions |
215x105x55mm |
Weight |
1.5kg |
Colour |
Black |
Installation method |
Desktop |