Many wireless speakers promise stereo sound, even with just one speaker. Regardless of whether they are wireless speakers or Bluetooth speakers - the solo speakers contain speakers for the left and right channels. But with just one speaker, the stereo base remains narrow: the distance between the left and right speakers within a speaker is simply too small...

The fourth generation of the Amazon Echo is not a sound miracle either, but it sounds decent for its price and size. Operation and voice recognition work well.

Amazon has hit the bull's eye with the new design of the Echo 4th Gen. Never before has an Echo blended so inconspicuously into the home. The sound quality also benefits from the increased depth due to the new shape compared to the predecessor. With the Zigbee Light Link Bridge integrated into an Echo for the first time, the new Echo also replaces the previous Echo Plus, which is already no longer...