Valcom V-9933a Noise Sensing Volume Control

Valcom v-9933a noise sensing volume control designed to electronically adjust the level of page by monitoring ambient noise levels in an area of a building. Features: self-contained device continuously monitors the area and automatically adjusts the volume on the paging speakers use one per zone and or one per noise area use v-9934 for remote noise sensing Brand: VALCOM Shipping Cost: DKK 18.63

Valcom v-9933a noise sensing volume control designed to electronically adjust the level of page by monitoring ambient noise levels in an area of a building.