A powerful app to control powerful bass. Elac’s App control and Auto EQ let you operate and integrate our subwoofers seamlessly from your smartphone. Doing away with traditional analog controls, the Elac Subs incorporate our advanced digital control system. Simply download the ELAC SUB Control app for your smartphone* and you have complete control of multiple subwoofers at the same time. Supported sub models: Elac sub 3010 Elac sub 3030 Elac sub 3070