Bluetooth Speakers / Soundcore Boom 2 vs Ultimate Ears WONDERBOOM 4
Soundcore Boom 2 vs Ultimate Ears WONDERBOOM 4
Soundcore Boom 2
80W with a real subwoofer for $100 — the most bass per dollar here.
Wins overall by 1.2 points
Quick Verdict
A 1.2-point gap makes the Soundcore Boom 2 the straightforward choice here. 80W with a real subwoofer for $100 — the most bass per dollar here.
The Soundcore Boom 2 and Ultimate Ears WONDERBOOM 4 are both current-generation bluetooth Speaker models, and the Ultimate Ears WONDERBOOM 4 is $20 cheaper than the Soundcore Boom 2 ($79.99 vs $99.99). On Features, the Soundcore Boom 2 leads (8.5 vs 4.5/10) — app EQ, multi-speaker pairing, charge-out and extras. On Bass, the Soundcore Boom 2 leads (9.0 vs 6.0/10) — low-end weight and extension for the size. On Portability, the Ultimate Ears WONDERBOOM 4 leads (8.5 vs 6.0/10) — weight, size and how easily it travels. Overall, the Soundcore Boom 2 scores 8.1/10 across our 8 scoring categories versus 6.9/10 for the Ultimate Ears WONDERBOOM 4. Below, we break down the full spec sheet, category-by-category scores, and exactly who should buy which one.
Side-by-Side Comparison
| Spec | Soundcore Boom 2 | Ultimate Ears WONDERBOOM 4 |
|---|---|---|
| Price | $99.99 | $79.99 |
| Release Year | 2024 | 2024 |
| Battery Life (hrs) | 24✓ | 14 |
| Water & Dust Rating | IPX7 — water only, with no dust rating | IP67 — dust and water, to 1m for 30 minutes |
| Floats | Yes | Yes |
| Power Output (W) | 80 | Ultimate Ears does not publish wattage; maximum SPL is quoted as 87dB |
| Weight (g) | 1700 | 420✓ |
| Bluetooth | 5.3 (some current listings claim 6.0, suggesting a possible hardware revision) | 5.2 |
| Drivers | 2.1-channel — one subwoofer, two tweeters and two LED-lit passive radiators | 2x 40mm active drivers plus 2x 46.1 x 65.2mm passive radiators |
| Stereo & Multi-Speaker Pairing | PartyCast 2.0 chains up to 100 speakers, plus TWS dual pairing for true stereo | Double Up pairs two WONDERBOOM 4 units; it is not cross-compatible with earlier WONDERBOOMs, BOOM, MEGABOOM or HYPERBOOM |
| Speakerphone | Yes | No |
| App EQ | Yes | No |
| Charges Your Phone | Yes | No |
| Warranty | 12 months | 12 months |
| Colors | Black, Green | Black, Blue, Pink, Grey |
Category Scores
Sound Quality
The Soundcore Boom 2 leads clearly here, 7.5 against 7.0 — a 0.5-point margin on tonal balance, clarity and detail. If that is what you are buying for, the Ultimate Ears WONDERBOOM 4 does not close the gap elsewhere.
Bass
The Soundcore Boom 2 leads clearly here, 9.0 against 6.0 — a 3.0-point margin on low-end weight and extension for the size. If that is what you are buying for, the Ultimate Ears WONDERBOOM 4 does not close the gap elsewhere.
Battery
The Soundcore Boom 2 leads clearly here, 8.5 against 6.5 — a 2.0-point margin on rated playtime and how it holds up at real listening volume. If that is what you are buying for, the Ultimate Ears WONDERBOOM 4 does not close the gap elsewhere.
Durability
The Ultimate Ears WONDERBOOM 4 leads clearly here, 9.5 against 7.5 — a 2.0-point margin on IP rating, drop resistance and whether it floats. If that is what you are buying for, the Soundcore Boom 2 does not close the gap elsewhere.
Portability
The Ultimate Ears WONDERBOOM 4 leads clearly here, 8.5 against 6.0 — a 2.5-point margin on weight, size and how easily it travels. If that is what you are buying for, the Soundcore Boom 2 does not close the gap elsewhere.
Loudness
The Soundcore Boom 2 leads clearly here, 8.5 against 6.0 — a 2.5-point margin on maximum usable volume before it strains. If that is what you are buying for, the Ultimate Ears WONDERBOOM 4 does not close the gap elsewhere.
Features
The Soundcore Boom 2 leads clearly here, 8.5 against 4.5 — a 4.0-point margin on app EQ, multi-speaker pairing, charge-out and extras. If that is what you are buying for, the Ultimate Ears WONDERBOOM 4 does not close the gap elsewhere.
Value
The Soundcore Boom 2 leads clearly here, 9.0 against 7.5 — a 1.5-point margin on performance and features relative to price. If that is what you are buying for, the Ultimate Ears WONDERBOOM 4 does not close the gap elsewhere.
Best For
Choose the Soundcore Boom 2 if…
- • Features matters most to you — the Soundcore Boom 2 scores 8.5/10 here (app EQ, multi-speaker pairing, charge-out and extras).
- • Bass matters most to you — the Soundcore Boom 2 scores 9.0/10 here (low-end weight and extension for the size).
- • Loudness matters most to you — the Soundcore Boom 2 scores 8.5/10 here (maximum usable volume before it strains).
- • Battery matters most to you — the Soundcore Boom 2 scores 8.5/10 here (rated playtime and how it holds up at real listening volume).
- • Your main use case is party.
Choose the Ultimate Ears WONDERBOOM 4 if…
- • Portability matters most to you — the Ultimate Ears WONDERBOOM 4 scores 8.5/10 here (weight, size and how easily it travels).
- • You want to spend less — it's $20 cheaper.
- • Your main use case is portable.
Pros & Cons
Soundcore Boom 2
Pros
- +80W with a real subwoofer — by far the most bass for the money here
- +Floats despite its size, and 24 hours of playback
- +9-band custom EQ in the Soundcore app
- +Doubles as a power bank for your phone
Cons
- −No dust rating, only IPX7
- −No 3.5mm aux input
- −SBC codec only
- −1.7kg makes it a carry-to-the-party speaker rather than a throw-in-a-bag one
- −Anker's own materials and current listings disagree on the Bluetooth version
Ultimate Ears WONDERBOOM 4
Pros
- +It genuinely floats, which matters at a pool or on a boat
- +IP67 plus a 5-foot drop rating — the most rugged small speaker here
- +360-degree sound is more room-filling than a forward-firing design
- +Outdoor Boost is genuinely useful outside
Cons
- −No companion app and no EQ at all
- −No microphone, so it cannot take calls
- −Ultimate Ears publishes no power figure
- −Distorts noticeably when pushed loud
- −Cannot pair with any other Ultimate Ears speaker, only another WONDERBOOM 4
Shop by Need
FAQs
Is the Soundcore Boom 2 or Ultimate Ears WONDERBOOM 4 better overall?+
Based on our 8-category scoring, the Soundcore Boom 2 comes out ahead overall. See the full breakdown in the scores section above — the right pick still depends on which categories matter most for your use case.
Which is better for Features, the Soundcore Boom 2 or the Ultimate Ears WONDERBOOM 4?+
The Soundcore Boom 2 scores higher on Features (8.5/10 vs 4.5/10) — app EQ, multi-speaker pairing, charge-out and extras.
Which is better for Bass, the Soundcore Boom 2 or the Ultimate Ears WONDERBOOM 4?+
The Soundcore Boom 2 scores higher on Bass (9.0/10 vs 6.0/10) — low-end weight and extension for the size.
Which is better for Portability, the Soundcore Boom 2 or the Ultimate Ears WONDERBOOM 4?+
The Ultimate Ears WONDERBOOM 4 scores higher on Portability (8.5/10 vs 6.0/10) — weight, size and how easily it travels.
Which is better for Loudness, the Soundcore Boom 2 or the Ultimate Ears WONDERBOOM 4?+
The Soundcore Boom 2 scores higher on Loudness (8.5/10 vs 6.0/10) — maximum usable volume before it strains.
Is the Soundcore Boom 2 worth the price difference over the Ultimate Ears WONDERBOOM 4?+
The Ultimate Ears WONDERBOOM 4 is the cheaper option at $79.99 versus $99.99. Whether the pricier model is "worth it" depends on how much you value its lead in Features.
Which is better suited to my use case?+
The Soundcore Boom 2 is the better fit if you mainly care about party. The Ultimate Ears WONDERBOOM 4 is the better fit for portable.
What's the warranty on the Soundcore Boom 2 vs the Ultimate Ears WONDERBOOM 4?+
The Soundcore Boom 2 ships with a 12-month warranty; the Ultimate Ears WONDERBOOM 4 ships with a 12-month warranty. Always confirm current terms on the manufacturer's site before buying.
Should I wait for the next model instead of buying either of these?+
If either model is more than two years old, a successor may be close — check the "Latest Model" link on each product page. Otherwise, both are current, well-supported options and there's no strong reason to wait.
Cheaper Option
JBL Go 5 — $49.95
Premium Option
Marshall Emberton III — $179.99
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.