Shenzhen Gestton Industrial Co., LTD
Shenzhen Gestton Industrial Co., LTD
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DC 24V Wired Conference System Audio Video Conferencing Equipment FCC
| S/N Ratio | >85 dBA |
| T. H. D | <0.05% |
| Sensitivity | SNR>60dB @25KHz, 6dBv. |
| Power Supply | AC110-240V |
| Max Deviation Range | ±45KHz |
| Frequency Response | 45Hz-18KHz±3dB |
| Operation Distance | Conventional receiving range is 60 meters |
| Output | RCA socket*2, 6.35mm *1 |
| Installation methods | 19-inch standard cabinet |
| Weight | 5.5kg |
| Dimension | 483x323x90 mm |
| Power Supply | DC 24v |
| RF Power Output | 15mA-60mA |
| S/N Ratio | >75dBA |
| Frequency Response | 100Hz-12KHz |
| Type | Condenser |
| polar pattern | Cardioid |
Features
GMS-5500 series is designed for large conference room. It is a highly stable conference system with easy operation
● One system, With 4 channels input, can connect up to 260 units
● Maximum 8 discussion uints at the same time
● It supports all kinds of camera agreement, and can be set camera tracking without connecting to PC
● It adopts sign-in,simple voting function. More voting/scoring function can be realized by software
● With built-in IC card reader for sign-in
● 5+1 channels simultaneous interpretation function
● With FIFO, LIFO, sound control etc. meeting mode
GMS-5500 Rear Panel 
[1]. Power Socket
[2]. 6.3mm Earphone Jack
[3]. 6.3mm Audio Input
[4]. XLR Output
[5]. Aux RCA jacks
[6]. RS-232 Port for Central Controller
[7]. RS-232 Port for PC
[8] Microphone Unit Port
Microphone unit
● Built-in aluminum alloy Panel
● Hyper-cardioid directional gooseneck microphone
● LCD window shows the operation information
● 6 keys for sign-in , voting and volume adjustment
● Red ring indicator shows working condition
Application
Ideally suitable for small scale boardrooms and meeting rooms, Large Meeting Room, Large lecture seminar.
The distance between the two plates changes due to vibration, that is, the capacitance C changes, while the electric quantity Q does not change, which will cause the change of voltage. The magnitude of voltage change reflects the strength of external sound pressure, This voltage change frequency reflects the frequency of external sound, which is the working principle of electret microphone.Capable of converting sound directly into electrical energy signalsCapacitive microphone is designed by using the principle of capacitive charge and discharge between conductors, using ultra-thin metal or gold-plated plastic film as vibrating film to induce sound pressure, so as to change the static voltage between conductors, directly convert it into electric energy signal, and obtain practical output impedance and sensitivity through electronic circuit coupling.