Short answer: the Ultimate Ears Wonderboom 2. It ranks #86 of 136 medium speakers by sound quality at $80; the Ultimate Ears Megaboom 4 ranks #132 and costs $200, which makes this an easy call rather than a real tradeoff.
What the Ultimate Ears Wonderboom 2 offers: IP67 rated and floats. Compact and light enough to toss in a bag. Watch for: Not stereo, barely any bass, recessed treble. Slightly boosted 93hz upper bass Dip at 9khz. You can tell from the micro USB that they are just feeding you the same crap hardware over and over, this is inexcusable for a product released in 2019. 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 2. It ranks higher for sound quality than the Ultimate Ears Megaboom 4 and costs less, so there is no real case for the other one.
The Ultimate Ears Megaboom 4 is not a sound-quality pick. It sits near the bottom of the 136 medium speakers; there are better options higher up.
Battery life favors the Ultimate Ears Megaboom 4: rated for 20 hours against 12 hours for the Ultimate Ears Wonderboom 2.
Specifications Side By Side
| Ultimate Ears Wonderboom 2 | Ultimate Ears Megaboom 4 | |
|---|---|---|
| Price | $80 | $200 |
| Ranked | #86 of 136 in Medium Size Portable Bluetooth Speakers | #132 of 136 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 82Hz | - |
| Battery Life | 12 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Max Volume | 88dB | 91dB |
| Power Input | Micro USB | USB-C |
| Stereo | No | No |
| Omnidirectional | Yes | Yes |
| Weight | 0.9 lbs / 420 g | 2.4 lbs / 1.1 kg |
| IP Rating | IP67 | IP67 |
| Bluetooth Version | 5.1 | 5.1 |
| Dimensions | 4.1" x 3.8" (104 x 95.3 mm) | 3.4" x 3.4" x 8.9" (87 x 87 x 225 mm) |
| Drivers | 2x 40mm active drivers + 2x 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 |
| Digital Aux Input | No | No |
Related Speaker Comparisons
A few more comparisons worth a look in the same class:
- Ultimate Ears Wonderboom 3 vs Harman Kardon Esquire 2
- JBL Charge 6 vs Ultimate Ears Wonderboom 3
- JBL Pulse 5 vs Ultimate Ears Wonderboom 3
- Soundcore Glow vs Ultimate Ears Megaboom 4
- JBL Charge 3 vs Ultimate Ears Megaboom 4
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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Ultimate Ears Wonderboom 2: $80 Amazon eBay
Pros: IP67 rated and floats. Compact and light enough to toss in a bag.
Cons: Not stereo, barely any bass, recessed treble. Slightly boosted 93hz upper bass Dip at 9khz. You can tell from the micro USB that they are just feeding you the same crap hardware over and over, this is inexcusable for a product released in 2019. Not technically a 360 speaker, only front and rear.
Full Ultimate Ears Wonderboom 2 review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 82Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Version | 5.1 |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 4.1" x 3.8" (104 x 95.3 mm) |
| Drivers | 2x 40mm active drivers + 2x passive radiators |
| EQ | No |
| IP Rating | IP67 |
| Max Volume | 88dB |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Input | Micro USB |
| Stereo | No |
| TWS | Yes |
| Weight | 0.9 lbs / 420 g |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Ultimate Ears Wonderboom 2 vs Ultimate Ears Wonderboom 3
- Ultimate Ears Wonderboom 2 vs Ultimate Ears Wonderboom
- Ultimate Ears Wonderboom 2 vs Ultimate Ears Boom 4
- Ultimate Ears Wonderboom 2 vs Ultimate Ears Wonderboom 4
- Ultimate Ears Wonderboom 2 vs Ultimate Ears Boom 3
- Ultimate Ears Wonderboom 2 vs Ultimate Ears Megaboom 3
- Ultimate Ears Wonderboom 2 vs LG Xboom Grab
- Ultimate Ears Wonderboom 2 vs Klipsch Groove/Heritage Groove
- See all 74 comparisons
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 →
- Jay’s Straight Up Reviews & More: Ultimate Ears MegaBoom 4 vs W-King D320 🔋Does Paying More Get You Less? 😧
- Reddit Search for Ultimate Ears Megaboom 4 Review
- Head-to-Head Comparisons
- Ultimate Ears Megaboom 4 vs Doss Soundbox
- Ultimate Ears Megaboom 4 vs Doss Soundbox Pro
- Ultimate Ears Megaboom 4 vs Zealot S61
- Ultimate Ears Megaboom 4 vs Skullcandy Terrain/Terrain XT/Terrain XL
- Ultimate Ears Megaboom 4 vs Beats Pill+
- Ultimate Ears Megaboom 4 vs Ultimate Ears Roll 2
- Ultimate Ears Megaboom 4 vs Harman Kardon Esquire 2
- Ultimate Ears Megaboom 4 vs Tribit Stormbox Mini
- See all 75 comparisons