how are musical sounds amplfied

The sounds of the Heart, lungs, circulatory and gastrointestinal systems are heard using the amplified stethoscope. It makes it easier for a medical professional to hear the sounds that are produced by these systems in the body.

too listen too music that can be amplified

The speakers amplified the music.

Cartridge turntables are used to play records. The cartridge is the part of the turntable that converts the vibrations picked up from the record into music.