Helixnet: What wiring options are available for wall mounting the Helixnet HKB-2X speaker station?

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Last updated: Sept 03, 2021 by Ibi Ali
1 min read

Question:  I'm mounting several HKB-2X speaker stations in a 4-gang electrical enclosure mounted in walls, so I won't be using the S-Mount bracket connections.  Can you clarify the phoenix block connections on the back of the speaker station?
Answer:  The HKB-2X speaker station can be connected / powered in several different configurations:

  • Use the powerline cable feed and wire it to the speaker station digital intercom phoenix block using:

Phoenix  Pin  2  = Ground wire     (XLR to Main station powerline pin 1)
Phoenix  Pin 4  = -30v     (XLR to Main station powerline pin 3)       

Phoenix  Pin 5  = +30v     (XLR to Main station powerline pin 2)       

Pins 1 and 3 not used


  • Ethernet using the RJ-45 connector and locally power speaker station using the power phoenix block

Power Pin 1 = 0v         

Power Pin 2 = 48v

  • Power over Ethernet connection via the RJ-45 connector (phoenix blocks not used in this configuration)  





































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