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Clear-Com EB7-4W
4 Wire Adapter Board for KB and HB-Series Products


The Clear-Com EB7-4W 4-Wire Option module can be added to the KB-702, KB-702GM, KB-701, and HB-702 products.
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Our Price: $274.50
List Price: $305.00
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Clear-Com EB7-4W
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The Clear-Com EB7-4W 4-Wire Option module can be added to the KB-702, KB-702GM, KB-701, and HB-702 products. This product allows the speaker or headset station to be operated over longer distances than are possible with a standard Clear-Com intercom line. This option can also be used to connect with fiber optic transmission equipment. The EB7-4W 4-Wire Option module connection is a transformer-isolated, audio-only connection and does not convey the call signal. The module also requires local powering.

Two-channel stations can have two separate 4-wire connections with this option. The Channel Switch on the front panel selects which channel is connected.

Clear-Com EB7-4W Specifications:

EB7-4W Input

  • Input Impedance:  >=5K ohm
  • Max Level before Clipping:  >=10dB

EB7-4W Output

  • Output Impedance:  <=600 ohm


  • AC Input Voltage Range:  14-20 VAC
  • DC Input Voltage Range:  20-30 VDC
  • Input Current (Max):  <= 15mA
    (excluding KB/HB station current)

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