TCS WOWSpeaker; Micro 13.6mm x 9.6mm
This 13.6mm x 9.6mm speaker could be classified as a "sugar cube" speaker. This style of speaker is often feature in cell phones and tablets and performs slightly differently from standard speakers. This style of speaker REQUIRES mounting with a baffle to produce much sound at all, but once they are mounted they produce significantly more sound than you might expect. Try them out in your space restricted installations.
 
MSRP; $9.95