Multiple channel earphone
Multiple channel gated amplifier system
Multiple channel speaker system for a portable computer
Multiple cone type loudspeaker
Multiple damping device of speaker system for video display...
Multiple driver electroacoustical transducing
Multiple driver rotary control for audio processors or other...
Multiple driver, resonantly-coupled loudspeaker
Multiple element electroacoustic transducing
Multiple function control circuit for an AM stereo receiver
Multiple function, bi-directional input/output interface for...
Multiple input silent audio switch
Multiple loudspeaker
Multiple output transformer network for sound reproducing system
Multiple output transformers network for sound reproducing syste
Multiple output transformers network for sound reproducing syste
Multiple parameter speaker recognition system and methods
Multiple signal carrier transmission apparatus and method
Multiple source self noise cancellation
Multiple speaker loudspeaker with conductive bridge