Bluetooth Speakers / Sony ULT FIELD 3 vs Ultimate Ears WONDERBOOM 4
Sony ULT FIELD 3 vs Ultimate Ears WONDERBOOM 4
Sony ULT FIELD 3
Rustproof and shockproof with a real bass button — built for the beach.
Wins overall by 0.9 points
Quick Verdict
A 0.9-point gap makes the Sony ULT FIELD 3 the straightforward choice here. Rustproof and shockproof with a real bass button — built for the beach.
The Sony ULT FIELD 3 and Ultimate Ears WONDERBOOM 4 are both closely matched bluetooth Speaker models, and the Ultimate Ears WONDERBOOM 4 is $120 cheaper than the Sony ULT FIELD 3 ($79.99 vs $199.99). On Features, the Sony ULT FIELD 3 leads (7.0 vs 4.5/10) — app EQ, multi-speaker pairing, charge-out and extras. On Bass, the Sony ULT FIELD 3 leads (8.0 vs 6.0/10) — low-end weight and extension for the size. On Battery, the Sony ULT FIELD 3 leads (8.0 vs 6.5/10) — rated playtime and how it holds up at real listening volume. Overall, the Sony ULT FIELD 3 scores 7.8/10 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 | Sony ULT FIELD 3 | Ultimate Ears WONDERBOOM 4 |
|---|---|---|
| Price | $199.99 | $79.99 |
| Release Year | 2025 | 2024 |
| Battery Life (hrs) | 24✓ | 14 |
| Water & Dust Rating | IP67 — dust and water, to 1m for 30 minutes, plus shockproof and rustproof | IP67 — dust and water, to 1m for 30 minutes |
| Floats | Not confirmed | Yes |
| Power Output (W) | Sony does not publish an RMS figure for this model | Ultimate Ears does not publish wattage; maximum SPL is quoted as 87dB |
| Weight (g) | 1200 | 420✓ |
| Bluetooth | 5.2 (SBC and AAC; no LDAC) | 5.2 |
| Drivers | 1x 86 x 46mm racetrack woofer plus a 20mm tweeter, with passive radiators | 2x 40mm active drivers plus 2x 46.1 x 65.2mm passive radiators |
| Stereo & Multi-Speaker Pairing | Stereo pair two ULT FIELD 3 units; Party Connect chains multiple Sony speakers, though Sony does not publish a maximum | 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, Off White | Black, Blue, Pink, Grey |
Category Scores
Sound Quality
The Sony ULT FIELD 3 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 Sony ULT FIELD 3 leads clearly here, 8.0 against 6.0 — a 2.0-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 Sony ULT FIELD 3 leads clearly here, 8.0 against 6.5 — a 1.5-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 Sony ULT FIELD 3 and Ultimate Ears WONDERBOOM 4 are level here, at 9.5/10 each. IP rating, drop resistance and whether it floats is not what separates these two — look to the categories where the scores diverge.
Portability
The Ultimate Ears WONDERBOOM 4 leads clearly here, 8.5 against 7.0 — a 1.5-point margin on weight, size and how easily it travels. If that is what you are buying for, the Sony ULT FIELD 3 does not close the gap elsewhere.
Loudness
The Sony ULT FIELD 3 leads clearly here, 7.5 against 6.0 — a 1.5-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 Sony ULT FIELD 3 leads clearly here, 7.0 against 4.5 — a 2.5-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 Sony ULT FIELD 3 and Ultimate Ears WONDERBOOM 4 are level here, at 7.5/10 each. performance and features relative to price is not what separates these two — look to the categories where the scores diverge.
Best For
Choose the Sony ULT FIELD 3 if…
- • Features matters most to you — the Sony ULT FIELD 3 scores 7.0/10 here (app EQ, multi-speaker pairing, charge-out and extras).
- • Bass matters most to you — the Sony ULT FIELD 3 scores 8.0/10 here (low-end weight and extension for the size).
- • Battery matters most to you — the Sony ULT FIELD 3 scores 8.0/10 here (rated playtime and how it holds up at real listening volume).
- • Loudness matters most to you — the Sony ULT FIELD 3 scores 7.5/10 here (maximum usable volume before it strains).
- • 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 $120 cheaper.
- • Your main use case is portable.
Pros & Cons
Sony ULT FIELD 3
Pros
- +Rustproof construction genuinely matters at the beach or a pool, and almost nothing else here claims it
- +The ULT button gives an immediate, satisfying bass lift
- +24 hours plus USB charge-out
- +Shoulder strap included in the box
Cons
- −Bluetooth 5.2 with no LDAC, which is odd on a Sony product
- −Sony publishes no power rating
- −Audible compression when pushed loud
- −Mono unless paired
- −No lighting, unlike similarly priced party-oriented rivals
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 Sony ULT FIELD 3 or Ultimate Ears WONDERBOOM 4 better overall?+
Based on our 8-category scoring, the Sony ULT FIELD 3 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 Sony ULT FIELD 3 or the Ultimate Ears WONDERBOOM 4?+
The Sony ULT FIELD 3 scores higher on Features (7.0/10 vs 4.5/10) — app EQ, multi-speaker pairing, charge-out and extras.
Which is better for Bass, the Sony ULT FIELD 3 or the Ultimate Ears WONDERBOOM 4?+
The Sony ULT FIELD 3 scores higher on Bass (8.0/10 vs 6.0/10) — low-end weight and extension for the size.
Which is better for Battery, the Sony ULT FIELD 3 or the Ultimate Ears WONDERBOOM 4?+
The Sony ULT FIELD 3 scores higher on Battery (8.0/10 vs 6.5/10) — rated playtime and how it holds up at real listening volume.
Which is better for Portability, the Sony ULT FIELD 3 or the Ultimate Ears WONDERBOOM 4?+
The Ultimate Ears WONDERBOOM 4 scores higher on Portability (8.5/10 vs 7.0/10) — weight, size and how easily it travels.
Is the Sony ULT FIELD 3 worth the price difference over the Ultimate Ears WONDERBOOM 4?+
The Ultimate Ears WONDERBOOM 4 is the cheaper option at $79.99 versus $199.99. 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 Sony ULT FIELD 3 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 Sony ULT FIELD 3 vs the Ultimate Ears WONDERBOOM 4?+
The Sony ULT FIELD 3 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
JBL Xtreme 5 — $399.99
Specifications and prices for both products last verified . Scores are calculated from published specifications — see how we compare products.