Alpha IA502 Multi-Entrance Audio Switching Adapter

Model No
Product Highlights
    • Non-returnable or refundable

The IA502 from Alpha is a multi-entrance adapter used with our IA543, and the older PK543A, PK543 and PK205 series amplifiers only. It provides audio intercom and door release switching for two (2) to eight (8) entrances (depending on how many IA502's are used). The IA502 adapter ise used in addition to the system amplifier, and power off of the same transformer. A plug-in wiring harness makes installation quick and easy. You must add one (1) IA502 switching adapter to each entrance, after the first entrance, up to a maximum of eight (8) entrances (using a maximum of seven (7) IA502 units).


  • Can be used for two (2) to eight (8) entrances
  • Operates on Safe Low-Voltage Class II Wiring
  • Convenient Plug-In Wiring Harness
  • Convenient Surface Mount installation
SKU  IA502
Manufacturer  Alpha
Intercom Type  Audio Intercom
Connection Method  Multi-Wire Digital Systems
Weatherproof    Outdoor
Material  Plastic
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Availability: In stock