Efrem posted an answer for this TOA WT5810-16 Channel Space Diversity Wireless Microphone:
"Impossible because there isn't MIC IN on the amplifier.You may use small mixer to connect..."
Efrem posted an answer for this RCA RS2041 Neo-5 CD Changer Audio System Shelf System:
"Stretched rubber powered opening mechanism.Change the rubber."
Efrem posted an answer for this Electro Brand Nostalgic Stereo CD Music System Shelf System:
"Clean up the potentiometers using the contact cleaning spray"
Efrem posted an answer for this Sony Multi-System Mini Hi-Fi system /DVD Shelf System:
"Bad laser , or scratched disc .try at first to clean the laser lens using cotton ear..."