We've tested and reviewed products since 1936. Read CR's review of the Sony SRS-XB31 wireless & bluetooth speaker to find out if it's worth it.

The new SRS-XB41, SRS-XB31 and SRS-XB21 speakers have a new Live Sound mode and "Party Booster" technology (woo!). ... The Sony SRS-XB41 ships this spring for $250. Sony.

The SRS-XB41 comes in at $250, the XB31 at $150, and the XB21 at $100. A much smaller XB10 is $60 with a shorter 12-hour battery life but is still IP67. The entire XB speaker lineup will be ...