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- Product Name： Wireless conference system OBT-840 (1 drag 4)
- Product Number：
- Added Time： 2018-09-28 11:31:07
- Views ： 78
Working range under typical conditions: 40 m (120 ft)
Note: The actual range is related to the reception, reflection and interference of the RF signal.
Audio frequency response (+/-3 dB) 80Hz~16KHz
Total harmonic distortion (+/-30KHz offset, 1KHz audio) <1%
Dynamic range: >A weighted 90 decibels
Operating temperature range: -10 ° C to +50 ° C
Note: Battery characteristics may affect the limits of this range
Wireless conference microphone
Maximum audio input level: 0dBV
Size: 85mm high X65mm wide X23mm thick
Weight: 85 grams (without battery)
Power requirements: 2 "AA" alkaline or rechargeable batteries
Battery life: >8 hours (alkaline)
Receiver
Audio output frequency (refer to +/-30KHz, 1KHz)
XLR connector (with 600 ohm load): -12dBV
1/4" connector (with 3000 ohm load): -18dBV
Output impedance: XLR connector: 200 ohms. 1/4 inch connector: 1 kohm
Sensitivity: (IF frequency demodulation output signal-to-noise ratio 30dB) <-92dBm
Image rejection: >80dB
Size: 44mm high X212mm wide X280mm thick
Weight: 3500 grams
Power requirements: 220 VDC, powered by an external power supply
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