機器
analog
audio
background
boom
boombox
button
control
cutout
deck
design
electronics
element
equipment
flat
hifi
icon
illustration
isolated
knob
media
metal
meter
mono
music
nobody
object
old
play
player
playing
record
recorder
reel
relatively
retro
shadow
sign
sound
steel
stereo
studio
symbol
tape
technology
vintage
volume
white