Microphone Question

Date: Thu, 24 Jul 2003 05:55:22 GMT
Newsgroups: rec.audio.pro
Size: 256 bytes

When using her karaoke machine to practice singing,
my daughter's P and B sounds sometimes make a
popping sound on her speaker (as if she tapped her
finger on the microphone).
Does anyone know if the fault is in the singer, the
microphone, or the speaker?