Volume controls:

… too quietly? Our 100V-volume controls for alerting is available comes with an optional mandatory relay so that alerting announcements are optimally understood. … or too loud? You'd like to rather converse with your guests or customers? Our volume controls for 4, 8 - and 20 ohm loudspeakers always provide a pleasantly atmosphere: At home, in shops or restaurants, in chancelleries or medical practices. Different rated outputs of the products always provide you with an optimal acoustic irradiation.