英文關鍵字
acoustic
amplify
audio
bass
beat
boom
broadcast
circle
decibel
dynamic
electronics
equipment
fidelity
frequency
high
inside
isolated
listen
loud
loudspeaker
membrane
modern
monitor
motion
move
music
nobody
noise
play
professional
pulsate
record
round
sound
speaker
stereo
studio
sub
subwoofer
system
technology
tune
tweeter
vibration
view
volume
woofer