look. With the powerful and clear sound offered by this speaker you can rely on it as your sidekick for any public speaking event, social event or gathering. As this is a 2 way speaker, it can be used with other speakers as a main or passive unit once you connect it with a simple AV cable. Comes equipped with both a Mic and a Guitar Jack, and accepts SD and USB inputs. Extendable top handle connected to the rolling back wheels allows the unit to be easily rolled along. This unit is made to give you the freedom of sound wherever you may need it!