CS 6940EN is a two-way speakers with very compact dimensions. It features 8 x 3.5'' extended-range speakers and a 0.79'' voice coil tweeter. This model implements several innovative technological solutions that guarantee highly intelligible reproduction of the vocal message. It includes a line transformer for directly connecting the speaker columns to 70 V or 100 V constant-voltage systems and, thanks to a rotary power selector, allows to select the power to be diffused among different values (40 - 20 - 10 - 5 W). Thanks to IP 66 protective grade, it can also be used outdoor. Suitable for any Voice Alarm application certified EN54, included airports, railway stations, subways, churches, factories, warehouses, malls, etc.