adjusting
amplifier
arts
audio
balance
broadcasting
communications
control
controls
dials
electric
electrical
electronics
entertainment
equipment
expertise
hand
industry
information
keypad
knobs
levels
media
mix
mixer
mixing
music
musical
objects
occupation
panel
person
popular
power
producer
professional
push
radio
recording
sliding
sound
stereo
studio
switch
technician
technology
using
variation
volume
work