amplifier
audio
board
cable
channel
closeup
communication
concert
connect
connection
console
control
desk
digital
electric
electrical
electronic
electronics
engineering
entertainment
equipment
guitar
hole
input
instrument
jack
metal
mix
mixer
mixing
music
musical
output
panel
plug
plugging
producer
production
professional
radio
record
recording
socket
sound
speaker
studio
technology
volume
wire