Free images results:
 

Speakers pictures, stock photos and images

 
1


 
Tunes Royalty Free Stock Photography
Author: Danabeth555
 
1


 
Also, here are some commercial RF-licensed images that match your search criteria:  
Speakers Royalty Free Stock Photos
Author: Ajn
Speakers Stock Photo
Author: Newlight
Speakers Royalty Free Stock Photos
Author: Dulsita
Speakers Royalty Free Stock Image
Author: Jossdim