access
adapter
audio
background
black
cables
computer
connect
connection
connections
connector
control
cord
data
design
device
digital
earphone
electric
electrical
electronic
equipment
extension
input
isolated
jack
media
metal
mic
microphone
mini
minijack
network
object
plastic
plug
power
record
recorder
recording
sound
speaker
stereo
studio
system
technology
voice
wave
wire