Short answer: the Ultimate Ears Megaboom 3 for better sound quality, the Ultimate Ears Boom 3 for the lower price. The Ultimate Ears Megaboom 3 ranks #83 of 136 medium speakers at $163. The Ultimate Ears Boom 3 ranks #89 at $109, $54 cheaper.
What the Ultimate Ears Megaboom 3 offers: IP67 rated, floats, and survives drops from up to 1 meter. 20 hour battery life - about double most speakers this size. The catch: Not stereo, barely any bass. 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 2018.
What the Ultimate Ears Boom 3 gets right: Rich and warm bass without muddying mix, crisp highs, excellent 15-hour battery life, stable Bluetooth connectivity, IP67 rated and floats, rugged fabric shell, can pair up to 150 speakers via PartyUp. Watch for: Not stereo, barely any bass, recessed treble. 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 2021.
Buy the Ultimate Ears Megaboom 3 if sound quality matters more than the price. Buy the Ultimate Ears Boom 3 if the price matters more than sound quality.
Specifications Side By Side
| Ultimate Ears Megaboom 3 | Ultimate Ears Boom 3 | |
|---|---|---|
| Price | $163 | $109.00 |
| Ranked | #83 of 136 in Medium Size Portable Bluetooth Speakers | #89 of 136 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 70Hz | 91Hz |
| Battery Life | 20 hours (Manufacturer specified) | 15 hours (Manufacturer specified) |
| Max Volume | 98dB | 87dB |
| Party Mode | Yes (PartyUp up to 50 speakers) | Yes (PartyUp up to 50 speakers) |
| Power Input | Micro USB | Micro USB |
| Stereo | No | Yes |
| Omnidirectional | Yes | Yes |
| Weight | 2 lbs / 925 g | 1.3 lbs / 608 g |
| Bluetooth Version | 4.2 | 4.2 |
| Drivers | 2x 50mm fullrange | 2x 2" active drivers + 2x 2" x 4" passive radiators |
| Dimensions | 3.4" x 8.9" x 3.4" (87 x 225 x 87 mm) | 7.2" x 2.9" (184 x 73 mm) |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| IP Rating | IPX7 | IP67 |
| Digital Aux Input | No | No |
| TWS | - | Yes |
| EQ | - | Yes (via app) |
| Built in Microphone | - | No |
Related Speaker Comparisons
More useful head-to-heads from the same speaker class:
- Ultimate Ears Wonderboom 4 vs B&O Beosound A1 2nd gen
- Ultimate Ears Wonderboom 4 vs Ultimate Ears Megaboom 4
- Ultimate Ears Wonderboom 4 vs JBL Charge 6
- Ultimate Ears Megaboom 3 vs Ultimate Ears Boom 4
- Ultimate Ears Boom 3 vs Yamaha True X Speaker 1A
The Two Speakers In Full
Ultimate Ears Megaboom 3: $163 Amazon
Pros: IP67 rated, floats, and survives drops from up to 1 meter. 20 hour battery life - about double most speakers this size.
Cons: Not stereo, barely any bass. 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 2018. Not technically a 360 speaker, only front and rear.
Full Ultimate Ears Megaboom 3 review and specifications →
| Bass Extension (-10dB) | 70Hz |
|---|---|
| Battery Life | 20 hours (Manufacturer specified) |
| Bluetooth Version | 4.2 |
| Digital Aux Input | No |
| Dimensions | 3.4" x 8.9" x 3.4" (87 x 225 x 87 mm) |
| Drivers | 2x 50mm fullrange |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Max Volume | 98dB |
| Omnidirectional | Yes |
| Party Mode | Yes (PartyUp up to 50 speakers) |
| Power Input | Micro USB |
| Stereo | No |
| Weight | 2 lbs / 925 g |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Ultimate Ears Megaboom 3 vs LG Xboom Grab
- Ultimate Ears Megaboom 3 vs Ultimate Ears Wonderboom 4
- Ultimate Ears Megaboom 3 vs Ultimate Ears Wonderboom 3
- Ultimate Ears Megaboom 3 vs Soundcore 2
- Ultimate Ears Megaboom 3 vs Ultimate Ears Wonderboom 2
- Ultimate Ears Megaboom 3 vs Tribit Stormbox 2
- Ultimate Ears Megaboom 3 vs Ultimate Ears Wonderboom
- Ultimate Ears Megaboom 3 vs Tribit Xsound Surf
- See all 13 comparisons
Ultimate Ears Boom 3: $109.00 Amazon
Pros: Rich and warm bass without muddying mix, crisp highs, excellent 15-hour battery life, stable Bluetooth connectivity, IP67 rated and floats, rugged fabric shell, can pair up to 150 speakers via PartyUp
Cons: Not stereo, barely any bass, recessed treble. 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 2021. Lots of mentions of failing batteries on amazon. Not technically a 360 speaker, only front and rear.
Full Ultimate Ears Boom 3 review and specifications →
| Bass Extension (-10dB) | 91Hz |
|---|---|
| Battery Life | 15 hours (Manufacturer specified) |
| Bluetooth Version | 4.2 |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 7.2" x 2.9" (184 x 73 mm) |
| Drivers | 2x 2" active drivers + 2x 2" x 4" passive radiators |
| EQ | Yes (via app) |
| IP Rating | IP67 |
| Max Volume | 87dB |
| Omnidirectional | Yes |
| Party Mode | Yes (PartyUp up to 50 speakers) |
| Power Input | Micro USB |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.3 lbs / 608 g |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Ultimate Ears Boom 3 vs Ultimate Ears Boom 4
- Ultimate Ears Boom 3 vs Klipsch Groove/Heritage Groove
- Ultimate Ears Boom 3 vs Ultimate Ears Wonderboom
- Ultimate Ears Boom 3 vs Sony SRS-XE300
- Ultimate Ears Boom 3 vs Ultimate Ears Wonderboom 2
- Ultimate Ears Boom 3 vs Ultimate Ears Wonderboom 3
- Ultimate Ears Boom 3 vs Tribit Stormbox
- Ultimate Ears Boom 3 vs Sony SRS-XB20
- See all 14 comparisons


