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The Sony SRS-XB13 is a palm-sized portable Bluetooth speaker built around Sony's Extra Bass tuning: a full-range driver paired with a passive radiator pushes more low end than its size suggests. A Sound Diffusion Processor spreads sound around the room, and an IP67 rating means it shrugs off dust and a dunking. The multiway strap clips to a backpack, wrist or bike, and Sony rates the battery at up to 16 hours with a charge indicator on the body. It suits people who want a rugged take-anywhere speaker for casual listening; rivals at this size often match the water resistance but few push bass as hard, and reviewers note the trade-off is a sound that favors punch over detail at high volume.
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Owners like the SRS-XB13 as a rugged, cheap-feeling-free little speaker that survives water and delivers surprising bass for its size. Most criticism centers on the bass-forward tuning and the limited maximum volume.
The Sony SRS-XB13 is a compact portable Bluetooth speaker from the EXTRA BASS line. A passive radiator works with a full-range speaker to boost low-end tones. The Sound Diffusion Processor uses DSP technology to expand the sound in any space, and the downward-facing speaker spreads sound around the speaker.
It has a durable exterior and a multiway strap. The strap lets you hang it from a backpack, your wrist or a parasol. The IP67 rating means it is waterproof and dustproof. Battery life is up to 16 hours, and a battery indicator appears on your smartphone.
You can stream audio wirelessly from a smartphone or tablet over Bluetooth. A built-in mic allows hands-free calling. Two SRS-XB13 speakers can be connected wirelessly for stereo sound. The speaker has a USB Type-C port.
