This listing is for a Set of Model 21 Speaker System Compact Black Bookshelf Speakers. 

A.I. "The Bose Model 21 is a Vintage Bookshelf System, often characterized as a compact, high-quality, and reliable stereo speaker pair from the early 1990s. They are known for providing clear,, distortion-free sound.."

These Bose Model 21 Black Bookshelf Speakers were tested and they sound great. These compact speakers measre about 12" X 7" X 7" and they are in good cosmetic condition showing light normal wear.... a few light scratches.   Each speaker weighs about 7 pounds so when packed they will weigh about 17 pounds when packed.  The speakers do not include speaker wire.   Thanks for your interest and email if you have any questions.