ELAC subwoofers embody 95 years of creating audio excellence through tradition, craftsmanship, and innovation.  ELAC subwoofers are best in class, designed for deep bass, power, and dynamic ability, blending to  any environment to be enjoyed at any listening level. As the pioneer of APP-controlled subwoofers, all Elac subwoofers include APP control to Eliminate the challenges of placement with ELAC's Auto EQ.