Sony SRS-XB33

Sony’s waterproof SRS-XB33 speaker delivers cool LED lighting and some surprising bass depth for its size.

Sony recently updated its SRS series of portable Bluetooth speakers, and the SRS-XB33, at $149.99, is the mid-priced option. While not exactly tiny, the Sony SRS-XB33 is still quite small for the amount of sound it can produce—there’s plenty of bass depth here for the size and price. Thankfully …