Flat-panel loudspeaker for integration in dry mortarless construction.
Flat-panel loudspeaker on the principle of the bending-wave transducer.
It has a flat-panel membrane caused to vibrate by an exciter mounted on
Flat-panel loudspeaker for integration in dry mortarless construction.
Flat-panel loudspeaker on the principle of the bending-wave transducer.
It has a flat-panel membrane caused to vibrate by an exciter mounted on