IC card/key Press Sign in Option Conference Microphone
SP-CS839,SP-CS840 Digital Conference System Microphone Features:
Frequency response: 40Hz-16kHz
Sensitivity: -44 dB±2dB
Dimension: 230x110x70mm
Installation dimension:201x98mm
Length of gooseneck: 420mm
N.W: 0.7kg
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Built-in inner speaker
IC card/key press sign in option
Chairman with priority button
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Operation Manual: