Alpha IA502 Multi-Entrance Audio Switching Adapter Features
The IA502 from Alpha is a multi-entrance adapter designed for use with the IA543 and older PK543A, PK543, and PK205 series amplifiers. This versatile adapter enables audio intercom and door release switching for two to eight entrances, depending on the number of IA502 units utilized, enhancing your intercom system’s functionality. It operates seamlessly with the system amplifier, powered by the same transformer, and features a user-friendly plug-in wiring harness for quick installation.
Alpha IA502 Key Features
- Entrance Capacity: Supports two (2) to eight (8) entrances, allowing expansion as needed for larger systems.
- Low-Voltage Operation: Operates on Safe Low-Voltage Class II Wiring, ensuring safety and compliance with electrical standards.
- Easy Installation: The convenient plug-in wiring harness simplifies setup, saving time and reducing installation complexity.
- Surface Mount Design: Enables straightforward surface mount installation, making it adaptable to various environments and user requirements.
Alpha IA502 Detailed Specifications
| Feature | Details |
| Compatibility | IA543, PK543A, PK543, PK205 amplifiers |
| Entrance Support | 2 to 8 entrances |
| Wiring Type | Safe Low-Voltage Class II Wiring |
| Installation Type | Surface Mount |
| Wiring Harness | Convenient plug-in design |
| Power Source | Powered by the same transformer as the system amplifier |



















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