<http://schema.org/description>
"It may seem like an audio add-on, but without an amplifier, you&amp;#039;d never be able to hear the music on your CDs (your neighbors might be happier, but would you?). Find out how amps pump it up to 11."^^<http://www.w3.org/2001/XMLSchema#string>
<http://electronics.howstuffworks.com/amplifier3.htm>