One of the things Sony is known for in the audio landscape is their wireless speaker ecosystem called “wireless party chain”, a system where a select set of their speakers can be paired with each other with just the press of a button.

Members of that ecosystem are the SRS-XB31 and XB21 Bluetooth rugged speakers. We were able to play with them a little bit today, so here are our initial thoughts.

The SRS-XB31 and XB21 look a lot different from their predecessors, the XB20 and XB30. While the previous two looked like capsules with see-through speaker grilles, the XB31 and 21 look more modern and rugged.
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