Soundpod audio transducer. Transform your glass/window into a speaker. The new re designed Soundpod transducer from Pro Display is small and unobtrusive, creating the ultimate invisible sound source. This amazing technology turns any surface into a loudspeaker walls, ceilings, floors, furniture and even glass. The soundpod device works through an energising principle, sending frequency waves across both sides of the activated surface producing a non directional, diffused sound which evenly fills the whole of the area.