Music, wireless microphone and equalization (200 m2)
Music distribution, multiple microphones and acoustic feedback suppression (> 1000 m2)
Music distribution and paging announcements (> 200 m2)
Music distribution, alarm announcements and local attenuation (>200 m2)
Alarm announcements and paging announcements (>1.000 m2)
Multiple microphones and music (>200 m2)
Music distribution and paging announcements (> 400 m2)
Music distribution and local attenuation (400 m2)
Music distribution (200 m2)