Microphone with irregular diaphragm

Microphone with low frequency noise shunt

Microphone with low frequency noise shunt

Microphone with non-symmetrical directivity pattern

Microphone with reduced noise

Microphone with shock-resistant means

Microphone with telescopic sound pickup means

Microphone-holding decorative pin

Microphone/earpiece device for a mobile telephone, telephone...

Microphones for an implantable hearing aid

Microspeaker

Microspeaker

Microspeaker and method of designing the same

Mid-range loudspeaker assembly propagating forward and backward

Midrange loudspeaker driver

Miniature acoustic transducer

Miniature condenser microphone and fabrication method therefor

Miniature condenser microphone and fabrication method therefor

Miniature electroacoustic transducer

Miniature microphone