cjk unified ideograph | the birds singing during the nigh...
U+35A1
public address loudspeaker
U+1F4E2
speaker with cancellation stroke
U+1F507
speaker
U+1F508
speaker with one sound wave
U+1F509
speaker with three sound waves
U+1F50A
right speaker
U+1F568
right speaker with one sound wave
U+1F569
right speaker with three sound waves
U+1F56A