Natural sounding bass, clearly audible details and balanced, lively sound - this is what the perfect speaker should sound like. However, good sound quality is not everything: Stiftung Warentest also expects a test-winning speaker to be easy to use, have a long-lasting battery and consume little power...

At just under a kilogram, the Megaboom 4 is pleasantly portable, yet dust and waterproof to IP67 and solidly made. It is designed to stand upright and offers 360-degree sound instead of directional sound, generated by two full-range drivers and two passive bass radiators - with surprisingly powerful bass...