Mini surround sound loudspeaker
Modular loudspeaker system
Modular speaker cabinet
Modular speaker cabinet including an integral rigging system
Multi-sound speaker system
Multichannel loudspeaker enclosure
Multiple auxiliary compound driver loudspeaker system
Multiple driver manifold
Narrow angle cylindrical wave full range loudspeaker system
Omnidirectional dispersion system for multiway loudspeakers
Omnidirectional electro-accoustical chamber
Omnidirectional loudspeaker
Omnidirectional speaker system
Omniphonic microphone and loudspeaker system
Open line source speaker system
Optimal shadow omniphonic microphone and loudspeaker system
Outdoor speaker
Portable loudspeaker apparatus for use in live performances
Portable sound speaker system
Push-pull transducer system