英文關鍵字
acoustics
aluminum
amplifier
appliance
audio
audiophile
button
close
contemporary
control
crystal
definition
digital
display
down
electronics
end
entertainment
equipment
faceplate
front
hand
high
home
house
human
interface
knob
liquid
media
multimedia
music
panel
playing
powerful
radio
receiver
rotate
shiny
silver
sound
steel
stereo
surrounding
technology
theater
theatrical
tuner
video
volume