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.
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.
Compared in Reviews
Products reviewers directly compared with this model, grouped into quick takeaways.
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.
Feature Scorecards
Summary
49 reviewed features- Very positive 4.5-5.0 24% 12 features
- Positive 3.5-4.4 53% 26 features
- Neutral 2.5-3.4 18% 9 features
- Negative 1.5-2.4 4% 2 features
- Very negative below 1.5 0% 0 features
Pros
-
One reviewer reports that latency is not an issue for watching videos on a phone.
-
Multi-speaker pairing is praised when using Sony Party Connect, especially for stable and easy syncing versus current Auracast experiences.
-
Maximum volume is one of the strongest points, with many reviewers calling the speaker loud, room-filling, and party-ready.
-
The Field 5 works well for parties, yards, garages, and everyday outdoor use, as long as buyers accept its size and weight.
-
LDAC and the SBC/AAC baseline are repeatedly praised, especially for higher-quality Bluetooth audio, with some range and battery tradeoffs.
-
The enclosure and materials earn strong marks for feeling solid, robust, and premium rather than cheap.
-
Bluetooth stability is viewed positively, with reviewers citing a stable Bluetooth 5.3 connection and a rock-solid wireless experience.
-
Google Fast Pair is praised for making Android connection fast and uncomplicated.
-
Low-volume performance gets direct praise from one reviewer who found 20% volume already sufficient at close range.
-
The battery/status readout is a small but appreciated convenience.
-
The wide, detached stage can feel surround-like for a speaker of this size.
-
USB-C charging is viewed positively, especially because the port does what reviewers expect and also supports related power features.
-
Reviewers generally find distortion well controlled at high levels, though this does not eliminate compression or tonal imbalance.
-
The wired AUX input is considered a useful advantage, especially versus smaller or competing models that omit it.
-
The power-bank function is consistently treated as handy, practical, and useful for keeping a phone alive during playback.
-
Water resistance gives reviewers confidence around pools, rain, splashes, and outdoor use.
-
The speaker is usually described as full, lively, and room-filling, with its bass-forward personality shaping the overall presentation.
-
Durability is a strength, with reviewers praising rugged materials, protected radiators, and resistance to outdoor bumps and knocks.
-
High-resolution LDAC support is treated as a strength for sound quality, with a close-range caveat for the best results.
-
Most reviewers like the rugged, premium look, while a few call the rectangular design plain or boring before the lights come on.
-
Quick charging is consistently useful, especially the 10-minute top-up claims, though one reviewer finds it less impressive than some rivals.
-
LED lighting is usually seen as classy, customizable, and worth using, though a few reviewers find it subtle or battery-draining.
-
Multipoint connectivity is useful for two people or devices sharing DJ duties without constant reconnecting.
-
Party Connect and stereo pairing are valuable party features, but they keep users inside Sony’s ecosystem and add compatibility caveats.
-
Battery life is widely viewed as strong for casual use, though reviewers repeatedly note that lights, ULT modes, and high volume shorten runtime.
-
Reviewers see strong value when discounted or compared with smaller rivals, but cheaper alternatives still challenge it.
-
The strap is often considered useful, strong, and convenient, although some reviewers found it fiddly or annoying to attach or remove.
-
The lighting often improves the otherwise plain design and party feel, but at least one reviewer finds it gimmicky.
-
Dust protection is treated as part of the speaker’s rugged outdoor appeal, especially in IP67-focused reviews.
-
Setup can be easy for pairing and Party Connect, but Sony’s app update flow created friction in one review.
-
Bluetooth range is generally praised, but LDAC use brings a clear range tradeoff versus AAC/SBC.
-
Value depends on price: reviewers like it at sale or relative-to-rival pricing, but some call the MSRP steep or overpriced.
-
ULT modes add energy, punch, and sound pressure, but limited headroom and compression appear when the speaker is pushed hard.
-
The tonal balance is bass-forward and fun, but reviewers repeatedly flag recessed mids, thin highs, or muddy bass in some tracks.
-
Reviewers generally find Sony’s app useful and easy enough, but one review strongly criticizes the license, access, and update friction.
-
The 10-band EQ is useful, but reviewers often note that it cannot fully recreate or fine-tune Sony’s ULT presets.
-
On-device controls cover the basics and are easy to find, but button sounds and rubbery feel create some usability complaints.
-
Privacy sentiment is mixed: no smart-speaker mic is a plus for one reviewer, while app access requests concern another.
Cons
-
Voice and vocal clarity are mixed: vocals can cut through, but heavy bass and high volume can push voices back or roughen them.
-
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.
-
Stereo imaging is limited by the compact driver spacing, even though some reviewers hear a wider-than-box soundstage.
-
The ULT button feels satisfying, but the other rubberized buttons are less pleasing by comparison.
-
The speaker has real thump, but one reviewer stresses that it does not reach subwoofer-level rumble.
-
Weight is a repeated drawback; the speaker is portable with a strap, but several reviewers call it bulky or heavy.
-
The Field 5 is not truly omnidirectional; reviewers note reduced expansiveness vertically and wish it offered 360-degree sound.
-
Party Connect gives the Field 5 useful Sony ecosystem support, but one reviewer calls out the inability to connect it to the ULT Field 1.
-
One reviewer links the Field 5’s limited output rating to reduced headroom and compression when volume is pushed high.
-
Party lighting is the clearest energy-efficiency complaint because it can sharply reduce playback time.
Compared With Category Average
Compared with other Portable Bluetooth Speakers, this product is above average in Bluetooth codec support, Wired input, Power bank function, below average in Energy efficiency, Control button responsiveness, Weight convenience.
Summary
8 compared features- Above average 0.4+ pts higher 63% 5 features
- Same as average within 0.3 pts 0% 0 features
- Below average 0.4+ pts lower 38% 3 features
| Attribute | This product | Category average | Difference |
|---|---|---|---|
| Energy efficiency | 2.0 | 4.1 | -2.1 |
| Bluetooth codec support | 4.5 | 3.1 | +1.4 |
| Control button responsiveness | 3.0 | 4.5 | -1.5 |
| Wired input | 4.4 | 3.0 | +1.4 |
| Power bank function | 4.4 | 3.1 | +1.3 |
| Weight convenience | 2.8 | 3.9 | -1.1 |
| Audio format support | 4.3 | 3.1 | +1.2 |
| Charging time | 4.2 | 3.3 | +0.9 |
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
- 4.5/5
YouTube - Wanna Buy It
- Review score
- 4.1/5
YouTube - GYMCADDY
- Review score
- 4.5/5
Article Reviews
stereoguide.com
- Review score
- 4.0/5
whatgear.net
- Review score
- 4.0/5
Consider This Instead
If you want better Energy efficiency
Choose JBL Clip 5 Bluetooth Speaker. It scores 4.4 vs 2.0 for Energy efficiency, with a 4.0 overall score.
If you want better Omnidirectional sound
Choose Ultimate Ears Wonderboom 4 Speaker. It scores 4.6 vs 2.5 for Omnidirectional sound, with a 3.9 overall score.
If you want better Stereo imaging accuracy
Choose Tribit StormBox Micro 3. It scores 5.0 vs 3.2 for Stereo imaging accuracy, with a 4.3 overall score.
If you want better Weight convenience
Choose Sonos Roam 2 Portable Bluetooth Speaker. It scores 4.7 vs 2.8 for Weight convenience, with a 3.8 overall score.
Overall Top Portable Bluetooth Speakers Alternatives
Good if you want a rugged, floating outdoor speaker with loud, bassy sound, useful app extras, and strong value. Skip it if you need refined stereo audio, wired input, reverse...
Pros: Price / value for money, On-device controls
Cons: Power bank function, Wired input
Choose the StormBox Micro 3 for rugged travel, magnetic mounting, long battery life, strong value, and surprisingly full sound. Skip it if you need premium codecs, aux input, refined detail,...
Pros: Stereo imaging accuracy, Setup simplicity
Cons: Wired input, Backwards compatibility
Choose the Beosound A1 3rd Gen if you want a compact luxury Bluetooth speaker with polished sound, long battery life, and premium build. Skip it if value, maximum volume, AirPlay/Wi-Fi,...
Pros: Multi-speaker pairing reliability, Handle or strap quality
Cons: Wi-Fi streaming reliability, AirPlay compatibility
Choose the Tribit XSound Plus 2 for loud, customizable sound, strong battery life and bargain value. Skip it if you need dustproof ruggedness, neutral set-and-forget tuning, or larger multi-speaker party...
Pros: Latency with TV (lip sync), Price / value for money
Cons: Dust resistance rating, Bluetooth codec support