It delivers up to 50W RMS output power with a 120mm woofer and two 20mm tweeters for deep bass and clear highs. Constant Sound Field Technology helps enhance vocal clarity and widens the soundstage for an immersive audio experience. The speaker supports Auracast for connecting multiple Harman Kardon speakers or compatible speakers from other brands. Connectivity is achieved through Bluetooth, with the speaker having V5.3 and being compatible with Android and iOS devices.

The Harman Kardon ONE App allows you to customize audio settings and manage all compatible speakers in one place. Self-tuning technology automatically adjusts the sound based on its environment for optimal performance. Need to recharge your phone? Simply ply in via the USB port and charge as you enjoy 8 hours of non-interrupted music on your fully charged speaker.