adjustment
amount
amplifier
analog
audio
bar
blue
button
circle
circular
control
controller
dial
digital
grade
indicator
interface
knob
level
loud
max
maximum
metal
min
music
neon
panel
power
radial
radio
realistic
regulator
rotary
rotate
rotation
round
scale
settings
shine
sound
speed
steel
stereo
switch
timer
tuner
turn
ui
volume