What does SPM stand for?
SPM stands for "Sound Powered Microphone"
How to abbreviate "Sound Powered Microphone"?
"Sound Powered Microphone" can be abbreviated as SPM
What is the meaning of SPM abbreviation?
The meaning of SPM abbreviation is "Sound Powered Microphone"
What does SPM mean?
SPM as abbreviation means "Sound Powered Microphone"
