Supplementary to Audible Alarms: VADs are especially productive in large-noise parts or in which Listening to safety is worn, supplementing traditional audible alarms. Click here For more info on the kinds of cookies we use and the way to adjust your cookie options. We also investigate the vital consideration for https://www.firesense.co.uk/type/addressable-fire-system/addressable-sounders-vids-vads/