Short answer: the JBL Flip 7 is the better choice for accurate compact sound, while the Wonderboom 4 is the smallest floating option. They stand at 95 of 150 and 14 of 150.
Wonderboom 4 is IP67 rated, floats, and charges with USB-C. It is easy to pack, but its bass does not extend very deeply and can sound thuddy.
Flip 7 is also compact but is closer to neutral, with a little more bass reach than Flip 6. Its small 4kHz emphasis is its notable tonal quirk rather than a major flaw.
Buy the Ultimate Ears Wonderboom 4 if a floating, ultra-simple travel speaker is what you need.
Buy the JBL Flip 7 if you want clearer and more neutral music playback in a small speaker.
Want more options? Browse the full Portable Bluetooth rankings.
Specifications Side By Side
| Ultimate Ears Wonderboom 4 | JBL Flip 7 | |
|---|---|---|
| Price | $59.99 | $149.95 |
| Ranked | #95 of 150 in Medium Size Portable Bluetooth Speakers | #14 of 150 in Medium Size Portable Bluetooth Speakers |
| Battery Life | 14 hours (Manufacturer specified) | 14 hours (Manufacturer specified) |
| Maximum SPL | 87dB (Manufacturer specified) | 100dB (measured by Alan Ross Reviews) |
| Power Input | USB-C | USB-C (5V 7.5W-15W) |
| Stereo | No | No |
| Omnidirectional | Yes | No |
| Weight | 0.9 lbs (420 g) | 1.2 lbs (560 g) |
| IP Rating | IP67 | IP68 |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.2 | 5.4 |
| Dimensions | 4.1” x 3.8” (104 x 95.3 mm) | 7.2” x 2.7” x 2.8” (182.5 x 69.5 x 71.5 mm) |
| Drivers | 2x 40mm active drivers + 2x passive radiators (46.1 x 65.2mm) | 45x80mm racetrack driver + 16mm tweeter |
| TWS | Yes | No |
| Party Mode | No | Yes (Auracast) |
| App | No | Yes |
| EQ | No | Yes (7 band) |
| Built-in Microphone | No | No |
| Power Bank | No | No |
| Aux Input | No | No |
| Digital Aux Input | No | Yes (USB-C) |
| Bluetooth Codecs | SBC | SBC, AAC |
| Strap | Yes (built-in loop) | Yes (detachable PushLock accessory) |
| Bass Extension (-10dB) | - | 59Hz |
| Amplifier Power | - | 35W total (25W main + 10W tweeter) |
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Prices on this page were last checked September 30, 2026 at 2:57 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 4: $59.99 Amazon eBay
Older models: the Ultimate Ears Wonderboom 3 (ranked lower, rated 2.9/5), the Ultimate Ears Wonderboom 2 (ranked lower, rated 2.9/5) and the Ultimate Ears Wonderboom (ranked lower, rated 2.9/5).
Pros: Small size.
Cons: Bass isn’t as deep as the top-ranked speakers and is a little thuddy. Not much improvement over the previous Ultimate Ears Wonderboom 3 besides the USB-C charging port.
Full Ultimate Ears Wonderboom 4 review and specifications →
| App | No |
|---|---|
| Aux Input | No |
| Battery Life | 14 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.2 |
| 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 (46.1 x 65.2mm) |
| EQ | No |
| IP Rating | IP67 |
| Maximum SPL | 87dB (Manufacturer specified) |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (built-in loop) |
| TWS | Yes |
| Weight | 0.9 lbs (420 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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JBL Flip 7: $149.95 Amazon eBay
Older models: the JBL Flip 6 (ranked higher, rated 4.2/5), the JBL Flip 5 (ranked lower, rated 3.3/5) and the JBL Flip 4 (ranked lower, rated 3.3/5).
Pros: A very neutral speaker, very small, almost pocket size. Just slightly more treble than the Flip 6 which was already a great speaker. Slightly deeper bass than the Flip 6. IP68 protection, a 7-band app EQ, Auracast and a USB-C digital audio input. Measured bass extension of 59Hz (-10dB).
Cons: A little bit of a bump at 4kHz, not quite as neutral as the Flip 6. On balance it is the slightly worse of the two.
Full JBL Flip 7 review and specifications →
| Amplifier Power | 35W total (25W main + 10W tweeter) |
|---|---|
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 59Hz |
| Battery Life | 14 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC |
| Bluetooth Version | 5.4 |
| Built-in Microphone | No |
| Digital Aux Input | Yes (USB-C) |
| Dimensions | 7.2” x 2.7” x 2.8” (182.5 x 69.5 x 71.5 mm) |
| Drivers | 45x80mm racetrack driver + 16mm tweeter |
| EQ | Yes (7 band) |
| IP Rating | IP68 |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Party Mode | Yes (Auracast) |
| Power Bank | No |
| Power Input | USB-C (5V 7.5W-15W) |
| Stereo | No |
| Strap | Yes (detachable PushLock accessory) |
| TWS | No |
| Weight | 1.2 lbs (560 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: JBL Xtreme 4 vs Flip 7 vs Charge 6 – The ULTIMATE JBL Speaker Showdown! More from alanrossreviews →
- Alan Ross Reviews: JBL Flip 7 is screech-fest heaven! vs Flip 6!
- Chrispy Things [EDC]: JBL Flip 7: My thoughts & sound test VS the Flip 6!
- GYMCADDY: JBL Flip 7 Review - Is It Worth Upgrading Over The JBL Flip 6 Or Flip 5? More from GYMCADDY →
- Musou1: JBL flip 7 vs KEF muo vs Bose flex 2
- FishBee Product Reviews: LG XBOOM Grab (2025) by Will.i.am - BETTER Than JBL Flip 7?? More from FishBee Product Reviews →
- M1MTechChannel: Welche JBL Partybox ist die BESTE ? Alle Partyboxen im Vergleich | 2026 More from M1MTechChannel →
- Head-to-Head Comparisons