Product sheet Compact and powerful wireless speaker with magical interaction. Compact and powerful wireless speaker with a timeless design, cutting edge acoustic innovation and magical interaction for a listening experience that inspires the imagination. At its core, the refined polished aluminium exterior hides an acoustic masterpiece - the world's first Active Bass Port. This revolutionary technology allows Beosound Edge to deliver an outstandingly potent bass when played loud and still play with finesse and delicacy at lower volumes.