Our TVs for Bathroom and Kitchen are being updated with vibration speakers. This type of speakers are totally invisible and work "through" the front panel glass. They make the glass shaking and emitting the sound. No more holes for speakers in the front! Sound quality is also better now (middle and bass range) to compare with the old speaker type.
The speakers are fixed to the glass inside the TV as shown on the picture below and here is glass shaking intensity shown in color for the technology demonstration: