Short answer: the Bose Soundlink Revolve on measured sound quality, the Ultimate Ears Boom 4 on price. The Bose Soundlink Revolve ranks #48 of 136 medium speakers at $192. The Ultimate Ears Boom 4 ranks #88 at $105, $87 cheaper.
What the Bose Soundlink Revolve offers: True 360° sound stays consistent no matter where you stand around it, unlike most portable speakers. Watch for: Not stereo. Strange sizzling treble, peaks and dips. Overly boosted boomy bass at 75hz.
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.
There is a real gap in water resistance: the Ultimate Ears Boom 4 at IP67 (brief submersion) against the Bose Soundlink Revolve, which has IPX4 (splashing).
Specifications Side By Side
| Bose Soundlink Revolve | Ultimate Ears Boom 4 | |
|---|---|---|
| Price | $192.00 Discontinued | $105 |
| Ranked | #48 of 136 in Medium Size Portable Bluetooth Speakers | #88 of 136 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | No |
| Bass Extension (-10dB) | 60Hz | - |
| Bass Extension (-3dB) | 64.5Hz (measured, Erin’s Audio Corner) | - |
| Battery Life | 12 hours (Manufacturer specified) | 15 hours (Manufacturer specified) |
| Party Mode | Yes (Bose Party mode) | - |
| Power Input | Micro USB | USB-C |
| Stereo | No | Yes |
| Omnidirectional | Yes | No |
| TWS | Yes | Yes |
| Weight | 1.5 lbs / 660 g | 1.4 lbs / 620 g |
| Bluetooth Version | 4.2 | 5.1 |
| Dimensions | 3.2" x 6" x 3.2" (82 x 152 x 82 mm) | 7.2" x 2.9" x 2.9" (184 x 73 x 73 mm) |
| App | Bose Connect | Yes |
| Built in Microphone | Yes | No |
| Bluetooth Codecs | SBC | - |
| EQ | No | Yes (via app) |
| Drivers | 1x omnidirectional full-range transducer (~45mm) + 2x passive radiators | 2x 1.57" (40mm) active drivers + 2x 1.81" x 2.57" (46.1 x 65.2mm) passive radiators |
| IP Rating | IPX4 | IP67 |
| Discontinued | Yes | - |
| Digital Aux Input | No | No |
| Power Bank | - | No |
| Max Volume | - | 85dBC |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- Marshall Emberton III vs Ultimate Ears Boom 3
- Ultimate Ears Megaboom 3 vs Ultimate Ears Boom 3
- Marshall Emberton II vs Ultimate Ears Boom 3
- Bose Soundlink Revolve vs Bose SoundLink Color II
- Soundcore Boom 3i vs Bose Soundlink Revolve
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: $192.00 Discontinued Amazon eBay
Pros: True 360° sound stays consistent no matter where you stand around it, unlike most portable speakers.
Cons: Not stereo. Strange sizzling treble, peaks and dips. Overly boosted boomy bass at 75hz. Discontinued.
Full Bose Soundlink Revolve review and specifications →
| App | Bose Connect |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 60Hz |
| Bass Extension (-3dB) | 64.5Hz (measured, Erin's Audio Corner) |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.2 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 3.2" x 6" x 3.2" (82 x 152 x 82 mm) |
| Discontinued | Yes |
| Drivers | 1x omnidirectional full-range transducer (~45mm) + 2x passive radiators |
| EQ | No |
| IP Rating | IPX4 |
| Omnidirectional | Yes |
| Party Mode | Yes (Bose Party mode) |
| Power Input | Micro USB |
| Stereo | No |
| TWS | Yes |
| Weight | 1.5 lbs / 660 g |
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: The Ultimate 360 Degree Bluetooth Speaker Showdown: Bose Soundlink Revolve Vs Tribit Stormbox Pro More from alanrossreviews →
- Alan Ross Reviews: The Ultimate 360 Degree Bluetooth Speaker Showdown: Bose Soundlink Revolve Vs Tribit Stormbox Pro
- Erin’s Audio Corner Measurements (spinorama.org) More from Erin’s Audio Corner →
- Reddit Search for Bose Soundlink Revolve Review
- Head-to-Head Comparisons
- Bose Soundlink Revolve vs Tribit Stormbox Flow
- Bose Soundlink Revolve vs JBL Charge 4
- Bose Soundlink Revolve vs Bose Soundlink Revolve+
- Bose Soundlink Revolve vs Bose Soundlink Revolve+ II
- Bose Soundlink Revolve vs W-King D320
- Bose Soundlink Revolve vs Soundcore Glow
- Bose Soundlink Revolve vs Turtlebox Ranger
- Bose Soundlink Revolve vs JBL Pulse 5
- See all 72 comparisons
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
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Ultimate Ears Boom 4 vs Ultimate Ears Boom 3
- Ultimate Ears Boom 4 vs Ultimate Ears Wonderboom
- Ultimate Ears Boom 4 vs Klipsch Groove/Heritage Groove
- Ultimate Ears Boom 4 vs Ultimate Ears Wonderboom 2
- Ultimate Ears Boom 4 vs Ultimate Ears Wonderboom 3
- Ultimate Ears Boom 4 vs Ultimate Ears Wonderboom 4
- Ultimate Ears Boom 4 vs Sony SRS-XE300
- Ultimate Ears Boom 4 vs Tribit Stormbox
- See all 74 comparisons