Short answer: both are discontinued, so this only matters if you are buying used. Used, the Bose Soundlink Revolve+ is the better pick: it ranks #53 of 175 medium speakers by sound quality (rated 3.6/5), against #77 (rated 3.4/5) for the Sony XB33. If you want one new, the Bose Soundlink Revolve+ II replaces the Bose Soundlink Revolve+ and is rated 3.6/5 at $299.
What the Bose Soundlink Revolve+ does well: True 360° sound stays consistent no matter where you stand. It keeps a wired aux input, which the Sony XB33 lacks. The catch: Overly boosted bass, warm sounding.
The Sony XB33 is the deeper-bass, longer-running option. IP67 rated and lightweight (2.4 lb). Its bass reaches about 50Hz before falling 10dB, against 56Hz for the Bose Soundlink Revolve+. It is rated for 24 hours of battery against 16 for the Bose Soundlink Revolve+. It is rated IP67 against IP55 for the Bose Soundlink Revolve+. The tradeoff: Not very loud.
Buy the Bose Soundlink Revolve+ only if you find one used in good condition; both are discontinued, and it is the better rated of the two. For a new speaker, buy the Bose Soundlink Revolve+ II, which replaces the Bose Soundlink Revolve+.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Bose Soundlink Revolve+ | Sony XB33 | |
|---|---|---|
| Price | $269.99 Discontinued | $110 Discontinued |
| Ranked | #53 of 175 in Medium Size Portable Bluetooth Speakers | #77 of 175 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | No |
| Bass Extension (-10dB) | 56Hz | 50Hz |
| Bass Extension (-3dB) | 54.2Hz (measured, Erin’s Audio Corner) | - |
| Battery Life | 16 hours (Manufacturer specified) | 24 hours (Manufacturer specified) |
| IP Rating | IP55 | IP67 |
| Party Mode | Yes (Bose Party mode) | Yes (Party Connect up to 100 speakers) |
| Power Input | Micro USB | USB-C |
| Stereo | No | Yes |
| Omnidirectional | Yes | No |
| TWS | Yes | Yes |
| Weight | 2 lbs (0.91 kg) | 2.4 lbs (1.1 kg) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 4.2 | 5.0 |
| Drivers | 91mm fullrange | 2x 48x70mm X-Balanced racetrack drivers + 2x passive radiators |
| Dimensions | 4.1” x 7.2” x 4.1” (105 x 184 x 105 mm) | 9.7” x 3.8” x 4.2” (246 x 97 x 106 mm) |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| App | Yes | Yes (Sony Music Connect App) |
| EQ | No | Yes (3 band) |
| Strap | No | - |
| Bluetooth Latency | - | 110ms |
| Maximum SPL | - | 97dB (measured by Alan Ross Reviews) |
| Power Bank | - | Yes (USB-A) |
| Amplifier Power | - | 16W RMS |
| Lights | - | Yes |
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Prices on this page were last checked October 12, 2026 at 4:13 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
Bose Soundlink Revolve+: $269.99 Discontinued Amazon $269.99 eBay
Newer model: the Bose Soundlink Revolve+ II, ranked higher, rated 3.6/5, released Jan 2021. See every Bose SoundLink Revolve generation.
Same family: the Bose Soundlink Revolve (smaller model, ranked lower, rated 3.5/5).
Pros: True 360° sound stays consistent no matter where you stand. Built-in carry handle, useful even with wet hands; can hang from a hook via carabiner. ~12 hour battery at medium-high volume. Measured bass extension of 54.2Hz (-3dB).
Cons: Overly boosted bass, warm sounding. Boosted mids. Rolled off treble. Discontinued.
Full Bose Soundlink Revolve+ review and specifications →
| Released | Apr 2017 (9 years ago) |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Bass Extension (-10dB) | 56Hz |
| Bass Extension (-3dB) | 54.2Hz (measured, Erin’s Audio Corner) |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Digital Aux Input | No |
| Dimensions | 4.1” x 7.2” x 4.1” (105 x 184 x 105 mm) |
| Drivers | 91mm fullrange |
| EQ | No |
| IP Rating | IP55 |
| Omnidirectional | Yes |
| Party Mode | Yes (Bose Party mode) |
| Power Input | Micro USB |
| Stereo | No |
| Strap | No |
| TWS | Yes |
| Weight | 2 lbs (0.91 kg) |
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: Live Reviews and Q&A! Bose Soundbar, Monoprice Monitors, Bluetooth Speakers and more. More from Erin’s Audio Corner →
- Erin’s Audio Corner Measurements (spinorama.org)
- Erin’s Audio Corner Website: Bose Soundlink Revolve+
- Alan Ross Reviews: The Ultimate 360 Degree Bluetooth Speaker Showdown: Bose Soundlink Revolve Vs Tribit Stormbox Pro More from alanrossreviews →
- Alan Ross Reviews: Soundcore Glow: best budget 360 degree speaker or get the Bose Revolve+? 1 hour of fun!
- Head-to-Head Comparisons
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- Bose Soundlink Revolve+ vs Bose Soundlink Revolve
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Sony XB33: $110 Discontinued eBay
Newer model: the Sony ULT Field 3, ranked higher, rated 3.4/5, released Apr 2025.
Older models: the Sony SRS-XB31 (ranked lower, rated 2.8/5) and the Sony SRS-XB30 (ranked lower, rated 2.6/5). See every Sony XB and ULT generation.
Pros: IP67 rated and lightweight (2.4 lb). App-controlled color LED lighting, Party Connect links up to 100 speakers. ~19 hour real-world battery without lights. Measured bass extension of 50Hz (-10dB).
Cons: Not very loud. Upper bass peaks, midrange dip, upper midrange peaks, not very neutral. Speaker will not remain at max volume and will turn itself down automatically. Discontinued.
Full Sony XB33 review and specifications →
| Released | May 2020 (6 years ago) |
|---|---|
| Amplifier Power | 16W RMS |
| App | Yes (Sony Music Connect App) |
| Aux Input | No |
| Bass Extension (-10dB) | 50Hz |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Latency | 110ms |
| Bluetooth Version | 5.0 |
| Digital Aux Input | No |
| Dimensions | 9.7” x 3.8” x 4.2” (246 x 97 x 106 mm) |
| Drivers | 2x 48x70mm X-Balanced racetrack drivers + 2x passive radiators |
| EQ | Yes (3 band) |
| IP Rating | IP67 |
| Lights | Yes |
| Maximum SPL | 97dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 2.4 lbs (1.1 kg) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: Sony XB33 vs XB32 vs JBL Charge 4 best £120 bluetooth speaker? More from alanrossreviews →
- Alan Ross Reviews: Sony XB23 vs XB33 - specs and measurements
- Alan Ross Reviews: Sony xb33 vs xb43 vs Soundcore Motion Plus speakers test
- Alan Ross Reviews: JBL Charge 5 vs Motion Plus and Sony XB33 - ultimate travel speaker 2021 🤗
- Alan Ross Reviews: LG Xboom Go PL7 vs JBL Charge 4 and Sony XB33 - best Bluetooth speaker?
- Alan Ross Reviews: Tribit Xsound Mega vs the world! (JBL Charge 5, Bose Flex, Sony XB33, LG PL7) 👍
- GYMCADDY: Sony XE300 Review And Compared to Sony XB33 - A Muffled Mess More from GYMCADDY →
- Head-to-Head Comparisons