SoundTube's Clear Dome for Secret Sound Dome 30. The Focus-Point line of sound isolating parabolic reflector domes is the professionals' choice for delivering audio presentations to individuals and small groups. Sound-Domes supply intelligible, precise delivery of private sound. Audio does not bleed over to adjacent areas, allowing placement of multiple speakers in close proximity to one another. Focus-Point models increase the impact of retail kiosks, digital signage and waiting areas.