Short answer: the Ultimate Ears Wonderboom. It ranks #87 of 136 medium speakers by sound quality at $79; the Ultimate Ears Megaboom 4 ranks #132 and costs $200, so there is not much of a tradeoff to weigh.
What the Ultimate Ears Wonderboom offers: IP67 rated and floats. Compact, light, and simple to use. Watch for: Not stereo, barely any bass, recessed treble. Dip at 9khz. Low mid bass distortion. Not technically a 360 speaker, only front and rear.
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 Ultimate Ears Wonderboom. It ranks higher for sound quality than the Ultimate Ears Megaboom 4 and costs less, which settles it without a real tradeoff to make.
Skip the Ultimate Ears Megaboom 4 if sound quality matters to you. It ranks near the bottom of the 136 medium speakers.
If battery life is a priority, the Ultimate Ears Megaboom 4 is rated for 20 hours versus 10 hours for the Ultimate Ears Wonderboom.
Specifications Side By Side
| Ultimate Ears Wonderboom | Ultimate Ears Megaboom 4 | |
|---|---|---|
| Price | $79 Discontinued | $200 |
| Ranked | #87 of 136 in Medium Size Portable Bluetooth Speakers | #132 of 136 in Medium Size Portable Bluetooth Speakers |
| Battery Life | 10 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Power Input | Micro USB | USB-C |
| Stereo | No | No |
| Omnidirectional | Yes | Yes |
| Weight | 0.9 lbs / 425 g | 2.4 lbs / 1.1 kg |
| IP Rating | IPX7 | IP67 |
| Drivers | 2x 1.6" active drivers + 2x 1.8" x 2.6" passive radiators | 2x 50x50mm full-range + 2x 55x86mm passive radiators |
| TWS | Yes | Yes |
| Party Mode | No | Yes (PartyUp up to 50 speakers) |
| App | No | Yes |
| EQ | No | Yes (via app) |
| Built in Microphone | No | No |
| Discontinued | Yes | - |
| Digital Aux Input | No | No |
| Bluetooth Version | - | 5.1 |
| Dimensions | - | 3.4" x 3.4" x 8.9" (87 x 87 x 225 mm) |
| Max Volume | - | 91dB |
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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
Ultimate Ears Wonderboom: $79 Discontinued eBay
Pros: IP67 rated and floats. Compact, light, and simple to use.
Cons: Not stereo, barely any bass, recessed treble. Dip at 9khz. Low mid bass distortion. Not technically a 360 speaker, only front and rear. Discontinued.
Full Ultimate Ears Wonderboom review and specifications →
| App | No |
|---|---|
| Battery Life | 10 hours (Manufacturer specified) |
| Built in Microphone | No |
| Digital Aux Input | No |
| Discontinued | Yes |
| Drivers | 2x 1.6" active drivers + 2x 1.8" x 2.6" passive radiators |
| EQ | No |
| IP Rating | IPX7 |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Input | Micro USB |
| Stereo | No |
| TWS | Yes |
| Weight | 0.9 lbs / 425 g |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Ultimate Ears Wonderboom vs Ultimate Ears Wonderboom 2
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- Ultimate Ears Wonderboom vs Ultimate Ears Wonderboom 4
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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
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- Reddit Search for Ultimate Ears Megaboom 4 Review
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