am
amplifier
area
audio
band
bass
boom
box
cassette
cd
compact
digital
disc
electric
electronics
fidelity
flat
fm
frequency
hear
hifi
icon
illustration
listen
loud
modulation
mono
mp3
music
pictogram
player
preamplifier
radio
receiver
sign
simple
song
sound
speaker
stereo
surround
symbol
system
tape
technology
theater
track
treble
tuner