If you want better Vocal clarity
Choose JBL Flip 7 Portable Speaker. It scores 4.4 vs 3.4 for Vocal clarity, with a 4.1 overall score.
Sony ULT Field 5 Speaker Review
Bottom Line
Choose the Sony ULT Field 5 for loud, bass-heavy party sound, rugged outdoor use, LEDs, and long battery life. Skip it if you want lighter travel gear, neutral detail, 360-degree sound, or fuss-free app/EQ behavior.
Best for
Best for people who want a loud, rugged, bass-forward Bluetooth speaker for parties, BBQs, garages, yards, or poolside use, especially if they like LEDs and Sony Party Connect. It also suits buyers who value AUX, USB-C power out, multipoint, and LDAC more than neutral sound.
Not for
Not for shoppers who want a lightweight travel speaker, 360-degree sound, neutral hi-fi detail, strong vocal clarity at high volume, or a frictionless app/EQ experience. It is also harder to justify for buyers focused strictly on lowest-price value.
Verdict
Reviewers frame the Sony ULT Field 5 as a portable party speaker first: loud, bass-forward, rugged, and loaded with crowd-friendly extras like LEDs, Party Connect, multipoint, AUX, USB-C power out, and useful quick charging. The main tradeoff is fidelity versus fun. Several reviewers love the punch and volume, especially in ULT modes, but others hear recessed vocals, thin highs, muddy bass, limited stereo imaging, or compression when pushed. Portability is also relative: the strap helps, but the speaker is still heavy and bulky. Its value looks strongest at sale prices or for buyers already in Sony’s speaker ecosystem, while more neutral listeners may prefer a cleaner, lighter, or more balanced alternative.
Feature Scorecards
Summary
47 reviewed features-
Very positive 4.5-5.012 (26%)
-
Positive 3.5-4.424 (51%)
-
Neutral 2.5-3.49 (19%)
-
Negative 1.5-2.42 (4%)
Pros highlights
-
Maximum volume is one of the strongest points, with many reviewers calling the speaker loud, room-filling, and party-ready.
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Battery life is widely viewed as strong for casual use, though reviewers repeatedly note that lights, ULT modes, and high volume shorten runtime.
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The lighting often improves the otherwise plain design and party feel, but at least one reviewer finds it gimmicky.
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The tonal balance is bass-forward and fun, but reviewers repeatedly flag recessed mids, thin highs, or muddy bass in some tracks.
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Most reviewers like the rugged, premium look, while a few call the rectangular design plain or boring before the lights come on.
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Reviewers see strong value when discounted or compared with smaller rivals, but cheaper alternatives still challenge it.
Cons highlights
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Voice and vocal clarity are mixed: vocals can cut through, but heavy bass and high volume can push voices back or roughen them.
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Stereo imaging is limited by the compact driver spacing, even though some reviewers hear a wider-than-box soundstage.
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Weight is a repeated drawback; the speaker is portable with a strap, but several reviewers call it bulky or heavy.
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Smart extras such as DJ controls, sound optimization, lighting, and app controls are feature-rich but sometimes gimmicky or unused.
-
Detail retrieval is mixed: some ULT modes add clarity, but bass-heavy tuning can bury small details and cymbal sparkle.
Compared With Category Average
Compared with other Portable Bluetooth Speakers, this product is above average in Bluetooth codec support, Wired audio connectivity, Power bank function, near average in Loudness / maximum volume, Lighting effects, below average in Energy efficiency, Physical control responsiveness, Vocal clarity.
Comparison summary
47 compared features-
Above average 0.4+ pts higher12 (26%)
-
Same as average within 0.3 pts23 (49%)
-
Below average 0.4+ pts lower12 (26%)
Largest category differences
| Attribute | This product | Category average | Difference |
|---|---|---|---|
| Energy efficiency | 2.0 | 3.8 | -1.8 |
| Bluetooth codec support | 4.5 | 3.0 | +1.5 |
| Physical control responsiveness | 3.0 | 4.5 | -1.5 |
| Wired audio connectivity | 4.4 | 3.3 | +1.1 |
| Power bank function | 4.4 | 3.4 | +1.0 |
| Vocal clarity | 3.4 | 4.4 | -0.9 |
| Weight convenience | 2.8 | 3.8 | -0.9 |
| Omnidirectional sound | 2.5 | 3.4 | -0.9 |
Consider This Instead
If you want better Smart features
Choose JBL Xtreme 5. It scores 4.5 vs 3.4 for Smart features, with a 4.0 overall score.
If you want better Value for money
Choose Tribit StormBox Mini+ Bluetooth Speaker. It scores 4.4 vs 3.9 for Value for money, with a 4.0 overall score.
If you want better Weight convenience
Choose Tribit StormBox 2 Bluetooth Speaker. It scores 4.4 vs 2.8 for Weight convenience, with a 4.0 overall score.
Compared in Reviews
Products reviewers directly compared with this model, grouped into quick takeaways.
XG300
- Worse: strap portability The reviewer says the Field 5 shoulder strap works and looks better than the XG300 handle.
- More expensive: launch price The reviewer says the Field 5 launched cheaper than Sony's previous XG300.
Bose Max
- Better: audio fidelity The YouTube reviewer preferred the Bose Max over the Field 5 for fidelity.
Bose SoundLink Max
- Better: audio balance PCMag says the Bose SoundLink Max has more balanced audio for more money.
FAQ
Is the Sony ULT Field 5 loud enough for parties?
Yes. Reviewers consistently describe it as very loud, room-filling, and suited to BBQs, yards, garages, and small-to-mid-size gatherings.
Does it have balanced sound?
It is more fun than neutral. Reviewers praise its bass and ULT modes, but several say the mids, vocals, highs, or fine details can get pushed back by the low end.
How portable is it?
It is portable in the sense that it has a useful shoulder strap and rugged build. However, several reviewers call it heavy or bulky, so it is not a small bag-friendly speaker.
How is the battery life?
Reviewers generally like the battery life, especially for casual use, and quick charging is a plus. Heavy volume, ULT modes, and the party lights can reduce runtime substantially.
Can it connect to other speakers?
Yes. Reviewers mention stereo pairing with another Field 5 and Party Connect for compatible Sony speakers, but the system keeps you inside Sony’s ecosystem and has some compatibility limits.
Does it support wired input or phone charging?
Yes. Reviewers like the 3.5mm AUX input and the USB-C power-out function, which lets the speaker act as a power bank for a phone or other device.
Is the Sony app useful?
The app adds EQ, lighting, DJ controls, battery care, and other settings. Reviewers also note limits: ULT presets cannot be fully fine-tuned, DJ effects can feel gimmicky, and one reviewer found the update/access flow annoying.
Sample Expert Reviews We Analyzed
These are a few of the reviews included in our analysis.
Video Reviews
YouTube - Gogi Tech
- Review score
- 4.5
YouTube - Wanna Buy It
- Review score
- 4.1
YouTube - GYMCADDY
- Review score
- 4.5
Article Reviews
stereoguide.com
- Review score
- 4.0
whatgear.net
- Review score
- 4.0
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