Short answer: the Bose Soundlink Revolve+ if sound quality matters most, the Ultimate Ears Boom 4 if price matters most. The Bose Soundlink Revolve+ ranks #46 of 136 medium speakers at $230. The Ultimate Ears Boom 4 ranks #88 at $105, $125 cheaper.
What the Bose Soundlink Revolve+ offers: 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. Watch for: Overly boosted bass, warm sounding. Boosted mids. Rolled off treble.
What the Ultimate Ears Boom 4 offers: IP67 rated, floats, and finally charges via USB-C instead of the older Booms’ Micro-USB. 15 hour battery. Customizable EQ and speaker-pairing via the UE app. Watch for: Not much improvement over the old ones. Weak bass extension and thuddy bass. Gets distorted above 90%
Buy the Bose Soundlink Revolve+ if sound quality is the priority over the price, or the Ultimate Ears Boom 4 if the price is the priority over sound quality.
Specifications Side By Side
| Bose Soundlink Revolve+ | Ultimate Ears Boom 4 | |
|---|---|---|
| Price | $230 Discontinued | $105 |
| Ranked | #46 of 136 in Medium Size Portable Bluetooth Speakers | #88 of 136 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | No |
| Bass Extension (-10dB) | 56Hz | - |
| Bass Extension (-3dB) | 54.2Hz (measured, Erin’s Audio Corner) | - |
| Battery Life | 16 hours (Manufacturer specified) | 15 hours (Manufacturer specified) |
| IP Rating | IP55 | IP67 |
| Party Mode | Yes (Bose Party mode) | - |
| Power Input | Micro USB | USB-C |
| Stereo | No | Yes |
| Omnidirectional | Yes | No |
| TWS | Yes | Yes |
| Weight | 2 lbs / 0.91 kg | 1.4 lbs / 620 g |
| Bluetooth Version | 4.2 | 5.1 |
| Drivers | 91mm fullrange | 2x 1.57" (40mm) active drivers + 2x 1.81" x 2.57" (46.1 x 65.2mm) passive radiators |
| Dimensions | 4.1" x 7.2" x 4.1" (105 x 184 x 105 mm) | 7.2" x 2.9" x 2.9" (184 x 73 x 73 mm) |
| Discontinued | Yes | - |
| Digital Aux Input | No | No |
| App | - | Yes |
| EQ | - | Yes (via app) |
| Built in Microphone | - | No |
| Power Bank | - | No |
| Max Volume | - | 85dBC |
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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
Bose Soundlink Revolve+: $230 Discontinued Amazon eBay
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.
Cons: Overly boosted bass, warm sounding. Boosted mids. Rolled off treble. Discontinued.
Full Bose Soundlink Revolve+ review and specifications →
| Aux Input | Yes |
|---|---|
| Bass Extension (-10dB) | 56Hz |
| Bass Extension (-3dB) | 54.2Hz (measured, Erin's Audio Corner) |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Version | 4.2 |
| Digital Aux Input | No |
| Dimensions | 4.1" x 7.2" x 4.1" (105 x 184 x 105 mm) |
| Discontinued | Yes |
| Drivers | 91mm fullrange |
| IP Rating | IP55 |
| Omnidirectional | Yes |
| Party Mode | Yes (Bose Party mode) |
| Power Input | Micro USB |
| Stereo | No |
| TWS | Yes |
| Weight | 2 lbs / 0.91 kg |
- Reviews, Comparisons and Sound Samples
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Ultimate Ears Boom 4: $105 Amazon eBay
Pros: IP67 rated, floats, and finally charges via USB-C instead of the older Booms’ Micro-USB. 15 hour battery. Customizable EQ and speaker-pairing via the UE app.
Cons: Not much improvement over the old ones. Weak bass extension and thuddy bass. Gets distorted above 90%
Full Ultimate Ears Boom 4 review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Battery Life | 15 hours (Manufacturer specified) |
| Bluetooth Version | 5.1 |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 7.2" x 2.9" x 2.9" (184 x 73 x 73 mm) |
| Drivers | 2x 1.57" (40mm) active drivers + 2x 1.81" x 2.57" (46.1 x 65.2mm) passive radiators |
| EQ | Yes (via app) |
| IP Rating | IP67 |
| Max Volume | 85dBC |
| Omnidirectional | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.4 lbs / 620 g |
- Links
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