英文關鍵字
volume
analog
arrow
music
amplifier
indicator
stereo
sound
level
dial
meter
audio
equipment
control
scale
vintage
retro
old
oldfashioned
two
amp
homemade
needle
tube
signal
playing
gauge
radio
warm
bass
amplitude
disco
nostalgia
atmosphere
inscription
console
output
tech
moving
homely
lamp
80s
hand
entertainment
mixer
listen
dashboard
db