Short answer: the Tribit Stormbox Micro. It ranks #5 of 47 small speakers by sound quality at $40; the Sony SRS-XB13 ranks #34 and costs $62.98, which makes this an easy call rather than a real tradeoff.
What the Tribit Stormbox Micro offers: Quite neutral. Slight hollowness in the mids. Built in strap is super useful for attaching it to things. Highly recommend spending the extra $10 for the Micro 2 which goes louder and deeper. To have it aimed directly at you unclip the strap and the speaker will sit upright with a slight lean back. Watch for: Gets murky and slightly sharp near max volume; boosted bass distorts when pushed loud. Down-firing passive radiator needs a flat surface underneath or the bass gets muffled.
What the Sony SRS-XB13 offers: Long battery life (~16 hours). IP67 rated. Compact with a removable strap for hanging on a bag/bike. USB-C charging. Watch for: Not much bass. Muddy sounding.
Buy the Tribit Stormbox Micro. It ranks higher for sound quality than the Sony SRS-XB13 and costs less, so the other one has nothing left to offer.
If battery life is a priority, the Sony SRS-XB13 is rated for 16 hours versus 8 hours for the Tribit Stormbox Micro.
Specifications Side By Side
| Tribit Stormbox Micro | Sony SRS-XB13 | |
|---|---|---|
| Price | $40 | $62.98 Discontinued |
| Ranked | #5 of 47 in Small Size Portable Bluetooth Speakers | #34 of 47 in Small Size Portable Bluetooth Speakers |
| App | No | No |
| Bass Extension (-10dB) | 62Hz | 88Hz |
| Battery Life | 8 hours (Manufacturer specified) | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC | AAC, SBC |
| Built in Microphone | Yes | Yes |
| EQ | No | No |
| IP Rating | IP67 | IP67 |
| Bluetooth Latency | 180ms | - |
| Max Volume | 93dB | 88dB |
| Party Mode | No | No |
| Power Bank | No | No |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | Pointing up | Pointing up |
| TWS | Yes | Yes |
| Weight | 0.7 lbs / 295 g | 0.6 lbs / 255 g |
| Aux Input | No | No |
| Output Power | 13W | 5W |
| Drivers | 48mm NdFeB | 46mm |
| Dimensions | 3.9" x 3.9" x 1.4" (99.1 x 99.1 x 35.6 mm) | 3" x 3.7"H (76 x 95 mm) (diameter) |
| Digital Aux Input | No | No |
| Bluetooth Version | - | 4.2 |
| Charging Time | - | 4.5 hours |
| Discontinued | - | Yes |
Related Speaker Comparisons
Other pairings from the same speaker class worth checking:
- Tribit Stormbox Micro 2 vs Sony SRS-XB100
- JBL Go 3 vs Sony SRS-XB100
- Soundcore Mini 3 vs Sony SRS-XB100
- Tribit Stormbox Micro 2 vs Sony SRS-XB13
- Tribit Stormbox Micro vs Sony SRS-XB100
Prices on this page were last checked August 27, 2026 at 10:09 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Tribit Stormbox Micro: $40 Amazon eBay
Pros: Quite neutral. Slight hollowness in the mids. Built in strap is super useful for attaching it to things. Highly recommend spending the extra $10 for the Micro 2 which goes louder and deeper. To have it aimed directly at you unclip the strap and the speaker will sit upright with a slight lean back.
Cons: Gets murky and slightly sharp near max volume; boosted bass distorts when pushed loud. Down-firing passive radiator needs a flat surface underneath or the bass gets muffled.
Full Tribit Stormbox Micro review and specifications →
| App | No |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 62Hz |
| Battery Life | 8 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 180ms |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 3.9" x 3.9" x 1.4" (99.1 x 99.1 x 35.6 mm) |
| Drivers | 48mm NdFeB |
| EQ | No |
| IP Rating | IP67 |
| Max Volume | 93dB |
| Omnidirectional | Pointing up |
| Output Power | 13W |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 0.7 lbs / 295 g |
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Sony SRS-XB13: $62.98 Discontinued Amazon eBay
Pros: Long battery life (~16 hours). IP67 rated. Compact with a removable strap for hanging on a bag/bike. USB-C charging.
Cons: Not much bass. Muddy sounding. Discontinued.
Full Sony SRS-XB13 review and specifications →
| App | No |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 88Hz |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Version | 4.2 |
| Built in Microphone | Yes |
| Charging Time | 4.5 hours |
| Digital Aux Input | No |
| Dimensions | 3" x 3.7"H (76 x 95 mm) (diameter) |
| Discontinued | Yes |
| Drivers | 46mm |
| EQ | No |
| IP Rating | IP67 |
| Max Volume | 88dB |
| Omnidirectional | Pointing up |
| Output Power | 5W |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 0.6 lbs / 255 g |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons