What is "quadrasonico"

'Quadrasónico ' is the fourth album of Erik Rubin, and changed his traditional rock pop sound by an electronic pop sound. It was his first and only work for Universal. Recorded in London and Mexico, Rubin worked again with Jorge Amaro and for the first time with Aureo Baqueiro. Two singles were released, disco anthem "Dame Amor" and ballad "Contigo".