The sonodyne SIC 3460 is a special purpose ceiling mounted loudspeaker. It has a dual concentric PP cone driver to deliver high SPL and frequency range. The 20 degree tilt allows it to be used not only for height channels in immersive multichannel audio formats like Dolby Atmos ® but also for room corner installation for music and speech. The rotatable tweeter allows for finer adjustments. For room filling sound for music and movies choose the SIC 3460.