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Globalmediapro ATB-7 talk back system offers clear and distinct sound delivered on the both sides, adjustable volumes, reduced interference and howling noise.


Applications

Counter
Stock-exchange
Post offices
Railway stations
Insurance companies
Hospitals

Supplies accessories

Outside amplifier
Outside microphone
Desktop microphone
Power supply adapter

Specifications

Operating Voltage: DC 9V
Maximum Current Consumption: 500mA
Primary (inside) / Secondary (Outside) Sound Box: 2W/2W 100Hz-15kHz
Outside Mic Sensitivity: -48dB±2dB (0dB=1V/Pa at 1kHz)
Outside Mic Frequency Response: 20Hz - 20kHz
Inside Mic Sensitivity: -44dB±2dB (0dB=1V/Pa 1kHz)
Inside Mic Frequency Response: 20Hz - 16kHz
Dimension: Primary Sound Box 15 x 11.6 x 3.9cm; Secondary Sound Box 9.1 x 7.7 x 2.3cm