amplifier
analog
audio
background
cable
camera
color
communication
component
computer
connect
connection
connector
converter
cord
data
device
digital
dvd
earphone
electrical
electronic
electronics
entertainment
equipment
gold
hardware
headphones
input
jack
jacks
metal
microphone
network
plated
player
plug
plugs
rca cable
recording
signal
socket
sound
speaker
stereo
system
technology
television
video
wire