Sound-absorbing LED pendant light Stage Vertical Silence The Stage Vertical Silence pendant light consists of a vertical, black Quader with an aluminium profile on the underside, which houses the LED bulb. The micro-perforations in the metal plate have a sound-absorbing effect, giving the Lamp a dual function. Marc Sadler designed STAGE Vertical primarily for rooms with high ceilings. This makes the outstanding light source ideal for commercial environments, among others - Perforated lampshade with sound-absorbing effect - UGR < 19