Sub (Gen 3)Hear and feel the difference when you add Sub to a room in your Sonos system. Discern every detail in the music and feel goosebumps when watching TV and films. Get set up in minutes using the Sonos app. It takes care of connecting Sub to your system over WiFi so you can place it anywhere in the room. Stand it upright or lay it flat and slide it under your sofa to enjoy powerful bass without any distortion. Dual orientation WiFi