adjust
amplifier
audio
board
broadcasting
button
channel
closeup
console
control
decibel
desk
digital
dj
electric
electronic
entertainment
equalizer
equipment
fader
instrument
knob
knobs
level
mastering
media
mix
mixer
mixing
music
musical
panel
party
production
professional
radio
record
recording
rock
roll
slide
sound
stereo
studio
switch
technology
tool
turn
volume