Short answer: the Bose Soundlink Revolve+ II on measured sound quality, the Ultimate Ears Megaboom 4 on price. The Bose Soundlink Revolve+ II ranks #45 of 136 medium speakers at $259. The Ultimate Ears Megaboom 4 ranks #132 at $200, $59 cheaper.
What the Bose Soundlink Revolve+ II offers: True 360° sound stays consistent no matter where you stand around it, unlike most portable speakers. Watch for: Overly boosted bass, warm sounding. Boosted mids. Rolled off treble. Only IP55.
What the Ultimate Ears Megaboom 4 offers: IP67 rated, floats, and finally uses USB-C charging. 20 hour battery life. ‘PartyUp’ feature syncs multiple UE speakers together. Watch for: A lot of distortion at higher volumes. Rolled off treble. Not very loud. They really screwed this up
Buy the Bose Soundlink Revolve+ II if sound quality matters more than the price. Buy the Ultimate Ears Megaboom 4 if the price matters more than sound quality.
If sound quality matters at all to you, skip the Ultimate Ears Megaboom 4. It ranks near the bottom of the 136 medium speakers, so look higher up the list instead.
Specifications Side By Side
| Bose Soundlink Revolve+ II | Ultimate Ears Megaboom 4 | |
|---|---|---|
| Price | $259.00 | $200 |
| Ranked | #45 of 136 in Medium Size Portable Bluetooth Speakers | #132 of 136 in Medium Size Portable Bluetooth Speakers |
| Aux Input | Yes | - |
| Battery Life | 17 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| IP Rating | IP55 | IP67 |
| Power Input | Micro USB | USB-C |
| Stereo | No | No |
| Omnidirectional | Yes | Yes |
| Weight | 2 lbs / 0.91 kg | 2.4 lbs / 1.1 kg |
| Bluetooth Version | 4.1 | 5.1 |
| Dimensions | 3.2" x 6" x 3.2" (82 x 152 x 82 mm) | 3.4" x 3.4" x 8.9" (87 x 87 x 225 mm) |
| App | Bose Connect | Yes |
| Built in Microphone | Yes | No |
| Bluetooth Codecs | SBC | - |
| EQ | No | Yes (via app) |
| Drivers | 1x omnidirectional full-range transducer + 2x passive radiators (driver size undisclosed by Bose) | 2x 50x50mm full-range + 2x 55x86mm passive radiators |
| Digital Aux Input | No | No |
| Party Mode | - | Yes (PartyUp up to 50 speakers) |
| TWS | - | Yes |
| Max Volume | - | 91dB |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- Teufel Rockster XS vs Bose Soundlink Revolve+
- Bose Soundlink Revolve+ vs KEF Muo gen2
- JBL Charge 5 Wifi vs Bose Soundlink Revolve+
- Bose Soundlink Revolve+ II vs Harman Kardon Esquire 2
- JBL Charge 6 vs Bose Soundlink Revolve+ II
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+ II: $259.00 Amazon eBay
Pros: True 360° sound stays consistent no matter where you stand around it, unlike most portable speakers.
Cons: Overly boosted bass, warm sounding. Boosted mids. Rolled off treble. Only IP55.
Full Bose Soundlink Revolve+ II review and specifications →
| App | Bose Connect |
|---|---|
| Aux Input | Yes |
| Battery Life | 17 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 4.1 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 3.2" x 6" x 3.2" (82 x 152 x 82 mm) |
| Drivers | 1x omnidirectional full-range transducer + 2x passive radiators (driver size undisclosed by Bose) |
| EQ | No |
| IP Rating | IP55 |
| Omnidirectional | Yes |
| Power Input | Micro USB |
| Stereo | No |
| Weight | 2 lbs / 0.91 kg |
- Links
- Reviews, Comparisons and Sound Samples
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Ultimate Ears Megaboom 4: $200 Amazon eBay
Pros: IP67 rated, floats, and finally uses USB-C charging. 20 hour battery life. ‘PartyUp’ feature syncs multiple UE speakers together.
Cons: A lot of distortion at higher volumes. Rolled off treble. Not very loud. They really screwed this up
Full Ultimate Ears Megaboom 4 review and specifications →
| App | Yes |
|---|---|
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Version | 5.1 |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 3.4" x 3.4" x 8.9" (87 x 87 x 225 mm) |
| Drivers | 2x 50x50mm full-range + 2x 55x86mm passive radiators |
| EQ | Yes (via app) |
| IP Rating | IP67 |
| Max Volume | 91dB |
| Omnidirectional | Yes |
| Party Mode | Yes (PartyUp up to 50 speakers) |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 2.4 lbs / 1.1 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Jay’s Straight Up Reviews & More: Ultimate Ears MegaBoom 4 vs Sony ULT Field 1 😧 $200 vs $128 Cylinder Bluetooth Speaker Matchup More from JaysStraightUpReviews →
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