A powerful bass, clearly audible details and a balanced, lively sound - this is what the perfect Bluetooth speaker should sound like. However, good sound quality is not everything: Stiftung Warentest expects a test-winning speaker to be easy to use, have a long-lasting battery and offer practical additional functions...

The Sony SRS-XV800 is a very solid party speaker: it gets sufficiently loud and has enough bass to heat up the next party. However, it is not suitable for more relaxed music sessions with higher demands due to the somewhat washed-out sound, and there are also better alternatives for TV speakers...

The Sony party speaker delivers an amazing battery life and scores with a wide range of connections. In addition to all kinds of jack sockets, there is even an optical digital input that can be used to connect the SRS XV800 to a TV. The sound is all about partying, which is particularly noticeable in the powerful bass. When music fans switch on the "Mega Bass", the walls shake.