x3 (pronounced "Triple") is the third album from Matsuura Aya. It was released on January 1, 2004 on the zetima label and sold 110,874 copies. It contains three of her previously released singles, as well as a solo version of GET UP! Rapper that she originally sang as part of SALT5 and a remix of Yeah! Meccha Holiday. The cover of the limited edition features Matsuura in a New Year's kimono and includes a poster inside.