Electrozad

This is the perfect choice for residential or small office use. It allows you to talk from any station to all other stations or answer the door from any station while response is hands-free. The 'Talk Lock' feature allows you to monitor activities in other rooms. Auxiliary program audio input allows you to connect and play audio from an external "low level" audio source to all stations. 'Master' station mounts in a utility room, closet or other out-of-the-way location and surface-mounts. No rough-in required. Can connect to an optional, external electronic chime models LA-52WH or LA-174WH.

NuTone® Central Amplifier