Alexandre Sales Miquel is A503X. Born in Lleida, Spain the 10-09-1980. Technical of sound and musician, play various instruments. Student in Microfusa, Barcelona 2003-2004, play in NO COMERCIAL MUSIC FESTIVAL and locals of the city, privats sets and work various labels. In the old Beat Port Mixes 9 TOP MIXES, tracks makeds by A503X and exclusives sets for radio, TOA FM, UNDERGROUND CULTURE, ANGLAI MAGYAR, CUEBASE FM, DI. FM, NIGHTFLY RADIO, CROSSFADER FM ,Blitz Radio and others, only music A503X.The year 2019 open Acid Candle in BCN together with is friend 100 to and the year 2020 the label A503X Records.