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' ' Data voice communication industrial control power supply purification and noise reduction High-definition audio and video security alarm series
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' 'Taobao Wangwang
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Product name Super Audio Intercom anti-interference device/audio isolation and noise reduction two-way communication/high fidelity/passive/low insertion loss
Super building audio intercom/elevator five-way call audio two-way current-cancelling acoustic anti-interference transmitter
Super-powerful fire protection system audio intercom current sound noise reducer high-performance fire intercom noise eliminator
Product model:
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Product picture
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. < Features of audio intercom super anti-interference device:
High performance and super strong common mode interference suppression, common mode suppression ratio up to B
The insertion loss of this unit is less than .3B and is greater than the line return loss of B
br/> Super-ultra-low frequency power frequency mains current noise (-) isolation suppression
Suppresses crosstalk caused by extreme co-cable applications of power cables and audio cables
Exclusively supports high-impedance audio signal sources and supports bidirectional Multi-party communication intercom
No power required, no settings required, hot-swappable, plug-and-play, green and environmentally friendly
No secondary interference from power supply, no traditional one-way amplification-receiving limitations
Anti-aging B unit Anti-aging flat bottom shell fixed (waterproof optional)
Imported super anti-interference core material, ultra-thin design
. Wide screw terminals ensure stability and reliability
Humanized design. Plug and play supports hot swap
Green in compliance with international certification
Product size
Screw terminals
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B Precautions for use
. For intercom systems In a super common-mode interference environment, the signal inputs are connected to and B of the intercom isolator respectively, and the output terminals of the device are and B. At this time, the device is an anti-common-mode interference intercom isolation filter and noise reducer.
B. For applications with ultra-high and strong common ground potential interference, users can also use the input terminals of the device and the output terminals of the device are B and B. At this time, the device is an insulated audio isolation noise reducer.