英文關鍵字
acoustic
audio
background
beat
broadcasting
device
diaphragm
digital
entertainment
equipment
frequency
hifi
house
icon
listen
loud
loudspeaker
low
membrane
mixer
music
play
power
produce
professional
record
rhythm
sound
speaker
studio
sub
subway
subwoofer
surround
symbol
system
technology
vibration
voice
volume
watt
wave
waves
woofer