Short answer: the Ultimate Ears Megaboom 3 on measured sound quality, the Soundcore Flare 2 on price. The Ultimate Ears Megaboom 3 ranks #83 of 136 medium speakers at $163. The Soundcore Flare 2 ranks #105 at $80, $83 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. Watch for: 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.
What the Soundcore Flare 2 offers: Try Alan Ross’s EQ for it Watch for: Rolled off treble. Thuddy bass. Not technically a 360 speaker, only front and rear.
Buy the Ultimate Ears Megaboom 3 when sound quality outweighs the price for you, and the Soundcore Flare 2 when the price outweighs sound quality instead.
If sound quality matters at all to you, skip the Soundcore Flare 2. It ranks near the bottom of the 136 medium speakers, so look higher up the list instead.
If battery life is a priority, the Ultimate Ears Megaboom 3 is rated for 20 hours versus 12 hours for the Soundcore Flare 2.
Specifications Side By Side
| Ultimate Ears Megaboom 3 | Soundcore Flare 2 | |
|---|---|---|
| Price | $163 | $80 |
| Ranked | #83 of 136 in Medium Size Portable Bluetooth Speakers | #105 of 136 in Medium Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 70Hz | 56Hz |
| Battery Life | 20 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Max Volume | 98dB | 99dB |
| Party Mode | Yes (PartyUp up to 50 speakers) | Yes (PartyCast up to 100 speakers) |
| Power Input | Micro USB | USB-C |
| Stereo | No | Yes |
| Omnidirectional | Yes | Pointing up |
| Weight | 2 lbs / 925 g | 1.3 lbs / 600 g |
| Bluetooth Version | 4.2 | 5.0 |
| Drivers | 2x 50mm fullrange | 2x full-range drivers + 2x passive radiators |
| Dimensions | 3.4" x 8.9" x 3.4" (87 x 225 x 87 mm) | - |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | - |
| IP Rating | IPX7 | IPX7 |
| Digital Aux Input | No | No |
| App | - | Yes |
| EQ | - | Yes |
| Bluetooth Latency | - | 80ms |
| Bluetooth Codecs | - | SBC |
| TWS | - | Yes |
| Built in Microphone | - | Yes |
| Output Power | - | 20W |
Related Speaker Comparisons
More useful head-to-heads from the same speaker class:
- Bose Soundlink Mini 2 vs Ultimate Ears Wonderboom 4
- Soundcore Motion 100 vs Sony SRS-XB30
- Sonos Roam 2 vs Ultimate Ears Wonderboom 4
- Soundcore Glow vs Ultimate Ears Megaboom 3
- JBL Charge 3 vs Ultimate Ears Megaboom 3
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 Megaboom 3: $163 Amazon eBay
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 |
- 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 74 comparisons
Soundcore Flare 2: $80 Amazon eBay
Pros: Try Alan Ross’s EQ for it
Cons: Rolled off treble. Thuddy bass. Not technically a 360 speaker, only front and rear.
Full Soundcore Flare 2 review and specifications →
| App | Yes |
|---|---|
| Bass Extension (-10dB) | 56Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Latency | 80ms |
| Bluetooth Version | 5.0 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Drivers | 2x full-range drivers + 2x passive radiators |
| EQ | Yes |
| IP Rating | IPX7 |
| Max Volume | 99dB |
| Omnidirectional | Pointing up |
| Output Power | 20W |
| Party Mode | Yes (PartyCast up to 100 speakers) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.3 lbs / 600 g |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Soundcore Flare 2 vs Sony SRS-XB30
- Soundcore Flare 2 vs W-King D8 Mini
- Soundcore Flare 2 vs Teufel Rockster Go
- Soundcore Flare 2 vs B&O Beosound Explore
- Soundcore Flare 2 vs Marshall Emberton II
- Soundcore Flare 2 vs Tribit Stormbox Mini+
- Soundcore Flare 2 vs Sony SRS-XE200
- Soundcore Flare 2 vs Marshall Emberton III
- See all 73 comparisons