Short answer: the JBL Flip 6. It ranks #12 of 136 medium speakers by sound quality at $114.95; the Ultimate Ears Megaboom 3 ranks #83 and costs $163, which makes this an easy call rather than a real tradeoff.
What the JBL Flip 6 offers: A very neutral speaker, very small, almost pocket size, a huge sound quality leap over the Flip 5. Watch for: Not stereo. Some slight upper mids emphasis. The TL version (made in Vietnam) tweeter can sound somewhat scratchy and doesn’t sound as good as the GG version (made in China)
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.
Buy the JBL Flip 6. It ranks higher for sound quality than the Ultimate Ears Megaboom 3 and costs less, so there is no real case for the other one.
There is a real battery-life gap here: the Ultimate Ears Megaboom 3 is rated for 20 hours, the JBL Flip 6 only 12 hours.
Specifications Side By Side
| JBL Flip 6 | Ultimate Ears Megaboom 3 | |
|---|---|---|
| Price | $114.95 | $163 |
| Ranked | #12 of 136 in Medium Size Portable Bluetooth Speakers | #83 of 136 in Medium Size Portable Bluetooth Speakers |
| App | Yes | - |
| Aux Input | No | - |
| Bass Extension (-10dB) | 56Hz | 70Hz |
| Battery Life | 12 hours (Manufacturer specified) | 20 hours (Manufacturer specified) |
| Built in Microphone | No | - |
| EQ | Yes (3 band) | - |
| IP Rating | IP67 | IPX7 |
| Bluetooth Latency | 116ms | - |
| Max Volume | 98dB | 98dB |
| Party Mode | Yes (PartyBoost up to 100 speakers) | Yes (PartyUp up to 50 speakers) |
| Power Bank | No | - |
| Stereo | No | No |
| Omnidirectional | No | Yes |
| TWS | Yes | - |
| Weight | 1.2 lbs / 544 g | 2 lbs / 925 g |
| Bluetooth Codecs | AAC, SBC | - |
| Bluetooth Version | 5.1 | 4.2 |
| Dimensions | 6.9" x 2.7" x 2.8" (176 x 68 x 72 mm) | 3.4" x 8.9" x 3.4" (87 x 225 x 87 mm) |
| Drivers | 44mm x 80mm woofer, 16mm tweeter | 2x 50mm fullrange |
| Power Input | USB-C | Micro USB |
| Output Power | 30W | - |
| Digital Aux Input | No | No |
| Frequency Response | - | 60Hz - 20kHz (Manufacturer specified) |
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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
JBL Flip 6: $114.95 Amazon B&H Photo Video eBay
Pros: A very neutral speaker, very small, almost pocket size, a huge sound quality leap over the Flip 5.
Cons: Not stereo. Some slight upper mids emphasis. The TL version (made in Vietnam) tweeter can sound somewhat scratchy and doesn’t sound as good as the GG version (made in China)
Full JBL Flip 6 review and specifications →
| App | Yes |
|---|---|
| Aux Input | No |
| Bass Extension (-10dB) | 56Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth Codecs | AAC, SBC |
| Bluetooth Latency | 116ms |
| Bluetooth Version | 5.1 |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 6.9" x 2.7" x 2.8" (176 x 68 x 72 mm) |
| Drivers | 44mm x 80mm woofer, 16mm tweeter |
| EQ | Yes (3 band) |
| IP Rating | IP67 |
| Max Volume | 98dB |
| Omnidirectional | No |
| Output Power | 30W |
| Party Mode | Yes (PartyBoost up to 100 speakers) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| Weight | 1.2 lbs / 544 g |
- Links
- Reviews, Comparisons and Sound Samples
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- Jay’s Straight Up Reviews & More: JBL Flip 6 vs Ultimate Ears Wonderboom 3 (Indoor Mode)⚔️ Battle of the Handheld Bluetooth Speakers. More from JaysStraightUpReviews →
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- Head-to-Head Comparisons
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
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