amplifier
audio
background
board
broadcast
broadcasting
button
channel
closeup
concert
console
control
controller
desk
digital
dj
effect
electronic
engineer
entertainment
equalizer
equipment
industry
knob
level
master
media
mix
mixer
music
panel
producer
production
professional
radio
record
recording
slide
sound
soundboard
stereo
studio
switch
technician
technology
volume
work