Check the listing for details. TekTone PM422AP5 Industrial Intercom System with Amplifier and Speaker. Condition: New. Listed at 106.99 USD. The TekTone PM422AP5 Industrial Intercom System is a robust and reliable communication solution designed for industrial and commercial environments. It includes an integrated amplifier and speaker, delivering powerful audio performance for clear two-way communication even in noisy settings. Engineered for durability, the PM422AP5 features a rugged enclosure and weather-resistant construction, making it suitable for both indoor and outdoor installations. The system supports hands-free operation and can be used for public address, paging, and intercom functions across multiple zones. With simple installation and dependable functionality, this unit ensures secure and efficient communication in factories, warehouses, and institutional settings. Its modular design supports expansion and.