英文關鍵字
ancient
antique
audio
background
black
box
broadcast
cabinet
classic
clean
close
design
electric
electronics
equipment
exposed
frequency
isolated
knob
light
media
modern
mono
museum
nobody
old
older
panoramic
power
professional
radio
receiver
retro
slider
sound
speaker
stereo
storage
style
technology
transistor
tuner
vintage
volume
wood