Auditory canal insert for hearing aids
Automotive loudspeaker having variable speaker orientation and p
Band earplug adapted to prevent soiling
Banded hearing protector
Bandless hearing protector and method
Belt-mounted stethoscope supporting device
Binaural stethoscope
Binaural stethoscope allowing surrounding noises to be heard
Binaural stethoscope spring
Broad band dynamic loudspeaker
Broad-band acoustic speaker
Cap with hearing enhancing structure
Cardioid electro-acoustic radiator
Cerumen block for sound delivery system
Cerumen filter for hearing aids
Cerumen trap for hearing aids
Checkable earplug
Chrono-stethoscope
Cleanable in-the-ear electroacoustic transducer
Clip-on earphone device