In observance of Memorial Day, the Valcom facility will be closed on Monday, May 25, 2026. We’ll resume normal operations on Tuesday, May 26th. We are grateful for the courage, dedication, and sacrifice of those brave men and women who gave the ultimate sacrifice.

Tertiary Category: Intrado Revolution®

IP Square Wall or Ceiling Speaker, Square Hole Pattern, One-Way/Talkback Programmable, Intrado Revolution®, VIP-428A-SA

The VIP-428A-SA IP Square Speaker is capable of reproducing voice paging and background music for a wide sound dispersion. The VIP-428A-SA is designed with a square hole pattern and may be recessed mounted on wall or ceiling. The Square Speaker is ideal for most interiors such as schools, offices, retail stores and medical settings.

  • Excellent voice and music reproduction
  • Wide sound dispersion
  • Electrically, acoustically matched components
  • UL and cUL listed
  • Sturdy steel grille

IP Intercom Doorplate Speaker with LED, Intrado Revolution®, VIP-172AL-VRSS-SA

The VIP-172AL-VRSS-SA IP Intercom Doorplate Speaker with LED is the perfect choice for high-quality voice paging, two-way communication and emergency alerts. The VIP-172AL-VRSS-SA is designed for quick and easy installation.

  • Intrado Revolution® compatible
  • PoE (IEEE 802.3af)
  • Paging, emergency alerts, and tones
  • Talkback intercom
  • High-quality audio
  • Quick and easy installation
  • Indoor/outdoor use