Modernize an aging paging system or build a new 24-zone talkback intercom from scratch with the Valcom V-ACS25, a wall-mount Advanced Communication System controller that works with existing 25-ohm speakers and supports talkback stations, phone ports, and auxiliary audio inputs. The Telecom Spot Expert Review The V-ACS25 is designed for the 25-ohm speaker load environment — facilities that already have 25-ohm speaker wiring in place can connect existing speakers directly without rewiring or replacing hardware. This makes it the right choice for retrofit projects where the goal is to upgrade the head-end controller while preserving the speaker infrastructure already in the walls and ceilings. For new installations, it provides a full-featured 24-zone talkback platform that can grow via expansion modules. Phone port integration lets the system accept pages from telephone handsets — no separate paging microphone stand required at every announcement point. The compact wall-mount chassis keeps the head-end equipment organized without requiring a full rack enclosure. Key Features 24-zone talkback intercom and paging controller for 25-ohm speaker loads Compatible with existing 25-ohm speaker wiring for retrofit applications Compact wall-mount chassis — no rack enclosure required Dual phone ports for telephone-based paging announcements Auxiliary audio inputs for background music or external program sources Windows-based programming and administrative software Technical Specifications Model V-ACS25 Type 24-Zone Talkback Intercom / Paging Controller Speaker Load 25 Ohm Zones 24 talkback stations (expandable) Phone Ports Dual FXS Mounting Wall mount
