Acoustic elements and method for sound processing
Acoustic Transducer
Acoustic transducer
Acoustical transducer with reduced parasitic capacitance
Audio speaker
Audio speaker for use in an external magnetic field
Audio transducer improvements
Audio transducer with etched voice coil
Audio transducers
Audio voice coil adaptor ring
Audio-frequency electromechanical vibrator
Audio-frequency electromechanical vibrator