Scorata scores summarize analyzed review evidence on a 1–5 scale; they are not laboratory measurements or a simple average of customer star ratings. Feature scores summarize the reviews covering that feature. The overall score averages feature scores within each review, then combines review averages. When both expert and customer evidence are available, those two groups receive equal weight. Products can have different review coverage, so small score gaps do not establish a winner.
Recommendations prioritize important features for the category, with a score of at least 3.5, a gap of at least 0.25 points and at least two supporting reviews per product. Features with widely varying scores or broad connectivity contexts are excluded from recommendations. These safeguards do not establish statistical significance.
Quick verdict
What each product is best for
The review evidence points to a tradeoff: Weight convenience and Control button responsiveness versus Charging cable inclusion and Microphone. Choose according to which strengths matter more to you; the overall score alone does not settle that choice.
Choose JBL Go 5 for Weight convenience and Control button responsiveness.
Choose Marshall Middleton II for Charging cable inclusion and Microphone.
Why these recommendations?
JBL Go 5
Where It Has the Edge
Weight convenience is 4.8 vs 2.5. Portability is one of the strongest points: the Go 5 fits in pockets, bags, and backpacks and is...
Control button responsiveness is 5.0 vs 4.1. The raised physical controls are simple, familiar, and quick to respond. Reviewers report near-instant reactions from both the...
Detail retrieval is 4.7 vs 3.9. Reviewers hear clean mids, crisp highs, defined instruments, and musical details that are easy to miss on lesser...
Marshall Middleton II
Where It Has the Edge
Charging cable inclusion is 4.5 vs 1.3. A USB-C charging cable is included, and reviewers explicitly noted it in the box. The included cable makes...
Microphone is 4.4 vs 2.0. The built-in microphone is a welcome addition and generally works well for hands-free calls. Pickup is strongest at...
Battery life (if portable) is 4.7 vs 3.7. Battery life is a major strength, with many reviewers praising roughly 30-hour endurance and multi-day use. A few...
JBL Go 54.2 overall score
Marshall Middleton II3.8 overall score
Compare features
Scores are out of 5. Missing scores mean missing review evidence, not a missing feature.
Scored on both products
Other features
Latency with TV (lip sync)
JBL Go 5
5.0
Marshall Middleton II
1.5
Details and evidence for Latency with TV (lip sync)
JBL Go 5
One reviewer reports no noticeable delay when watching video from a phone. Broader TV-specific testing is limited.
One reviewer found noticeable audio delay with video playback and said lip sync was not correct. Buyers planning to use the speaker for TV or video should expect Bluetooth latency.
Playtime Boost can extend runtime by roughly two hours, but it does so by reducing bass and flattening the sound. Reviewers generally treat it as an emergency setting rather than the preferred listening mode.
LC3 support was praised for reducing energy use while maintaining good audio performance. That gives the newer Bluetooth implementation a modest efficiency advantage.
The Go 5 has no built-in speakerphone function, which some reviewers list as a clear drawback. It cannot handle calls without a separate microphone accessory.
Speakerphone performance is good at close range, with clear calls reported by several reviewers. Quality drops with distance, where voices can become less clear or more echoey.
The speaker lacks a built-in microphone, so it cannot natively handle calls. Reviewers treat this as a minor-to-moderate omission rather than a deal breaker.
The built-in microphone is a welcome addition and generally works well for hands-free calls. Pickup is strongest at close to moderate distance rather than across a large room.
Portability is one of the strongest points: the Go 5 fits in pockets, bags, and backpacks and is easy to carry all day. A few Go 4 comparisons note that it is slightly heavier or bulkier.
Weight is one of the most repeated drawbacks. At about 1.8 kg, it feels substantial and premium, but several reviewers and customers found it heavy for bags, walks, or truly portable use.
Auracast can synchronize the Go 5 with several current JBL models, including the Go 4. AirTouch stereo requires two Go 5 units, and older PartyBoost speakers are excluded.
Backward compatibility is limited because the Middleton II does not wirelessly stack with the original first-generation Middleton. That is a meaningful drawback for owners hoping to reuse an older unit in a paired setup.
Complex arrangements can become somewhat cluttered, even though the stereo layout helps create space. The speaker is cohesive with most music but not flawless when many instruments compete at once.
Some reviewers praise the app for working without forced registration. One customer reports mandatory account setup and data sharing, creating a sharply conflicting privacy experience.
The companion app can be installed and used without creating an account, which one reviewer explicitly appreciated. That makes the software experience relatively privacy-friendly.
Reviewers hear clean mids, crisp highs, defined instruments, and musical details that are easy to miss on lesser mini speakers. Fine separation is still constrained by the single small driver.
Detail retrieval is generally good, with reviewers hearing subtle percussion, vocals, and spatial information that smaller speakers can lose. The main weakness is reduced high-frequency detail in some dense or bass-heavy tracks.
A single Go 5 is well suited to desks, kitchens, bathrooms, hotel rooms, and other modest spaces. Unavoidable light flashes can make it less appealing for dark bedrooms or movie watching.
The speaker is particularly well suited to desks, kitchens, and small-to-medium rooms. It can fill these spaces comfortably without requiring maximum volume.
The integrated loop is handy for bags, bikes, and one-finger carrying. Several reviewers wish it were more elastic or included a carabiner for easier attachment.
The detachable strap is generally useful and later versions feel more durable, but opinions are mixed because the speaker lacks a full carry handle. That matters more given its relatively heavy weight.
Details and evidence for Distortion at high volume
JBL Go 5
Several reviewers find the Go 5 cleaner than expected when pushed, with little obvious distortion. Others hear harsh mids, compression, or mild bass distortion at the highest settings.
It generally stays composed at high volume, with multiple reviewers reporting little obvious distortion. The main caveat is bass compression or rougher treble when pushed close to maximum output.
Most buyers are highly enthusiastic about the compact sound, portability, and ruggedness. A smaller group is strongly dissatisfied because of lighting behavior, app setup, or missing accessories.
Overall satisfaction is mostly high, with many customers calling the speaker excellent or saying they would buy it again. Repeated charging failures and delayed LE Audio support create a meaningful minority of strongly negative experiences.
USB-C audio provides clearer lossless wired playback from compatible devices, an uncommon bonus in such a small budget speaker. Activating it requires holding the play button while connecting the cable, so the process is easy to miss.
The 3.5mm auxiliary input is repeatedly welcomed as a useful fallback when Bluetooth is not ideal. Reviewers also liked that the port is easy to access.
Multipoint is treated as a useful everyday upgrade, allowing two source devices to remain connected. Reviewers liked the flexibility for switching between devices without repeated pairing.
Details and evidence for Inter-speaker connectivity
JBL Go 5
AirTouch is a standout feature, making two-speaker stereo pairing almost instant, while Auracast supports larger JBL groups. True stereo requires two Go 5 units, and older PartyBoost products are not fully compatible.
Auracast gives the Middleton II a flexible path to grouped playback with compatible speakers and broadcasts. Reviewers viewed it as a useful, more future-facing inter-speaker option.
The Go 5 sounds punchy and energetic at sensible levels and stays more composed than the Go 4 when pushed. Its tiny driver still limits large-scale dynamics and deep impact.
The stronger amplifier setup gives the speaker useful headroom and low-frequency extension. Reviewers described the added reserve as helping bass feel more substantial without immediately losing control.
The edge lights provide helpful cues for volume, power, pairing, battery, and Auracast. The same persistent status flashes can be annoying in dark rooms.
The LED bars provide useful feedback for battery, volume, bass, and treble levels. A customer specifically appreciated being able to see power and volume status at a glance.
Details and evidence for Loudness / maximum volume
JBL Go 5
The Go 5 plays surprisingly loud for its palm-sized body and works well for desks, showers, job sites, and small gatherings. It still cannot replace a larger room-filling speaker, and some reviewers hear strain near maximum output.
The Middleton II gets impressively loud for its size and easily handles rooms, backyards, and smaller gatherings. Reviewers still caution that it is not a true high-output party speaker.
Recycled fabric, plastic, magnet materials, and simpler cardboard packaging receive positive attention. Reviewers see these changes as meaningful in a high-volume product line.
Repairability and replaceable parts make the Middleton II less disposable than many sealed portable speakers. Reviewers viewed that approach as a meaningful sustainability advantage.
Details and evidence for Frequency response balance
JBL Go 5
The tuning is generally warm, clear, and mid-forward, with clean highs and enjoyable bass for the size. Deep lows remain limited, and Playtime Boost can make the balance thin.
Most reviewers describe the tuning as balanced, with clean mids and controlled bass. A few found the upper mids and treble less detailed or somewhat overshadowed by the low end.
The speaker works especially well for desks, kitchens, showers, travel, commuting, work, biking, and casual outdoor use. Its small size and simple controls make it easy to use without planning.
Everyday operation is straightforward thanks to direct controls, simple pairing, and a practical feature set. Reviewers generally found it easy to live with across desk, room, and portable use.
Reviewers value the upgraded dust protection for beaches, hiking, and outdoor travel. IP68 coverage is repeatedly treated as a meaningful durability improvement.
The IP67 dust protection earned strong confidence for outdoor use. Reviewers specifically saw the sealed design as well suited to dirt, sand, and general outdoor exposure.
The box omits a USB-C cable or charger, and this is one of the most repeated customer complaints. Several buyers still like the speaker but lower their rating or question the value because basic charging accessories are absent.
Quick charging is repeatedly praised as practical, with short top-ups restoring several hours of playback. Reviewers found this especially useful before gatherings or when the battery is nearly empty.
Details and evidence for Battery life (if portable)
JBL Go 5
Typical expectations are about eight hours, or up to ten with Playtime Boost, and many users find that adequate. Real-world reports range from roughly four to nine hours, while the boost mode noticeably reduces bass and sound quality.
Battery life is a major strength, with many reviewers praising roughly 30-hour endurance and multi-day use. A few users did not reach the full claim, and one customer found the newer model shorter-lived than the original.
Support for 24-bit/48kHz lossless playback over USB-C is a standout capability at this size and price. Reviewers hear modest improvements in clarity and detail when using wired playback.
Higher-resolution wireless audio options are limited. Reviewers specifically note that the speaker does not provide the broader high-res codec support available from some competitors.
The Go 5 is a directional mono speaker rather than a true 360-degree design. It is adequate for personal listening, but omnidirectional rivals may serve groups better.
The 360-degree presentation is repeatedly praised for producing a wide, immersive sound from many listening positions. Reviewers generally found the effect convincing rather than just a marketing claim.
Bass is punchy, clean, and fuller than expected for the size, especially after EQ adjustment. Deep sub-bass and room-shaking impact are absent, and Playtime Boost weakens the low end substantially.
Bass is one of the most praised sound traits: deep, punchy, controlled, and unusually substantial for the size. It can compress at maximum volume and cannot reproduce the deepest sub-bass, but most reviewers still rate it highly.
At low and moderate volume, the speaker remains clear and works very well for background music, podcasts, and close listening. Several users specifically praise bass and clarity at quieter levels.
Low-volume listening is a strength, especially for desks and quiet rooms. Reviewers and a customer said the speaker retains a full, satisfying sound without needing to be played loudly.
A single Go 5 remains a focused mono speaker with limited width. Two units paired through AirTouch create a much wider, believable left-right image and noticeably clearer presentation.
Stereo imaging is one of the clearest strengths. Reviewers repeatedly praise unusually convincing left-right separation and a soundstage that extends beyond the compact cabinet.
Details and evidence for Multi-speaker pairing reliability
JBL Go 5
AirTouch and Auracast pairing are usually fast, synchronized, and reliable. One customer reports more difficult cross-generation pairing and repeated Bluetooth loss with older Go 4 units.
The absence of conventional multi-speaker pairing disappointed at least one reviewer. Auracast offers another route to grouped playback, but it does not fully replace the expected pairing option for everyone.
Support for SBC, AAC, and LC3 is viewed as modern and useful, especially for efficiency and stability. Reviewers do not present it as audiophile-grade, but it is strong for the category.
Codec support is mixed: AAC, SBC, and LC3 are useful additions, but several reviewers criticize the lack of aptX or LDAC. One customer was also frustrated that promised LE Audio functionality had not arrived.
AirTouch, Auracast, app-based EQ, lighting control, firmware updates, and USB-C audio make the Go 5 unusually sophisticated for its size. The feature set is a major reason it feels more mature than a basic budget speaker.
The feature set covers the essentials, including EQ, battery controls, microphone use, and Auracast. Some reviewers still miss extras found on other Marshall models, so the smart feature package feels useful rather than exhaustive.
Details and evidence for Control button responsiveness
JBL Go 5
The raised physical controls are simple, familiar, and quick to respond. Reviewers report near-instant reactions from both the buttons and companion app.
The raised, tactile controls are generally easier to feel and use than before. One reviewer noted that some strip controls can be pressed accidentally, so the layout is not flawless.
Most reviewers describe the JBL Portable app as stable, clean, responsive, and useful for EQ, lights, updates, and grouping. One customer experienced failed connections, lengthy troubleshooting, and a highly frustrating setup.
The Marshall app is consistently described as simple, well organized, and easy to use. Reviewers liked quick setup, clear battery information, and straightforward access to EQ and device settings.
Details and evidence for Bluetooth connection stability
JBL Go 5
Most testing reports seamless pairing, no dropouts, and stable playback through walls. A minority report problems when mixing the Go 5 with older JBL speakers.
Wireless stability is strong in testing, with reviewers reporting reliable connections around homes and gardens plus fast reconnection to paired devices. The newer Bluetooth implementation appears dependable in normal use.
The seven-band EQ is one of the most useful app features and can meaningfully improve bass, vocals, or room tuning. One customer calls it gimmicky, and it becomes unavailable when two speakers are stereo-paired.
EQ flexibility is a strong point. Reviewers liked the physical bass and treble controls plus the app’s five-band EQ, though one noted that more advanced adjustment options would still be welcome.
Vocals, podcasts, and spoken content come through cleanly and prominently. Reviewers especially praise clear mids and crisp speech from such a small enclosure.
Close-range call testing produced clear, rich voice pickup, even with quiet speech. Voice quality appears strongest when the user stays near the speaker.
Range testing is strong, including stable playback through walls, closed doors, and multiple floors. The connection generally holds farther than reviewers expected from a speaker this small.
Bluetooth range is a notable upgrade, with reviewers reporting much longer reach and reliable use around a house, garden, or park. The extended range reduces the likelihood of dropouts in everyday use.
The physical playback, volume, Bluetooth, and Auracast controls are straightforward and dependable. Familiar JBL layouts help returning users operate it immediately.
Physical controls are a standout usability feature, letting users handle playback, volume, bass, and treble without opening the app. Reviewers repeatedly described the layout as intuitive and convenient.
The dominant view is that the Go 5 sounds exceptionally good for a palm-sized speaker, with clear mids, crisp highs, and lively tuning. It remains best for casual listening rather than critical or large-room playback.
Music playback is consistently enjoyable, with reviewers especially liking rock and bass-driven material. The warm, energetic presentation also works across a broader range of genres.
Most experts consider the launch price affordable for the sound, durability, and feature set. A few reviewers think roughly $55 is high for such a small speaker, especially without a cable.
Price is a recurring concern. Several reviewers think the Middleton II is expensive for its size, especially when the Kilburn III or cheaper rivals are close enough in price to complicate the value proposition.
The overall consensus is that the Go 5 delivers excellent sound, ruggedness, and connectivity for the money. Value weakens for existing Go 4 owners, buyers who need longer battery life, or those frustrated by missing accessories.
Value opinions are split. Some reviewers and customers consider it worth the premium or a strong buy at the right price, while others think cheaper rivals or nearby Marshall models offer better value.
Bluetooth setup is usually quick and intuitive, with Fast Pair and AirTouch reducing friction further. One customer had a severe app-connection problem that required hours of troubleshooting.
Bluetooth setup was described as extremely easy by a customer, with quick connection and little friction. Pairing simplicity is a clear usability strength.
The compact fabric-wrapped design feels premium, colorful, and rugged, with many buyers praising its looks. The fixed-color lighting and slightly larger Go 4 footprint divide opinion.
Design is one of the most consistently praised traits. Reviewers and customers repeatedly call the retro Marshall styling premium, distinctive, attractive, and closer to décor than a generic portable speaker.
Details and evidence for Drop resistance durability
JBL Go 5
The dense build survives rough handling, dirt, concrete, and several real-world drops in the supplied reviews. It is consistently described as rugged, solid, and easy to carry without babying.
One hands-on reviewer had enough confidence in the rugged build to say an accidental drop would not cause immediate concern. That supports strong perceived impact durability.
IP68 protection is a major strength, with reviewers confidently using the speaker near pools, in showers, in rain, and after submersion. Multiple hands-on accounts describe water exposure without damage.
Reviewers are highly positive about the IP67 protection and repeatedly frame it as suitable for pools, rain, beaches, and outdoor use. One reviewer still considered it less rugged than purpose-built outdoor rivals.
AirPlay is not supported, which one iPhone-focused reviewer specifically called a letdown. Apple users wanting Wi-Fi-based AirPlay streaming will need another option.
Construction feels premium overall, but there is a specific concern about the removable outer wrap lifting at the corners. Other users praised the materials, so build impressions are positive with a notable casing caveat.
The ability to float adds extra reassurance around pools despite the speaker’s weight. One reviewer specifically saw it as useful peace of mind for poolside use.
The edge LEDs can serve as status cues and add personality, but color choice is fixed to the speaker finish. Dark-room users object to flashes that cannot be completely suppressed.
Lighting is the most polarizing feature: many users find it tasteful, fun, or useful at night, while others call it gimmicky, distracting, or impossible to fully disable. Limited color customization is a common complaint.
Most reviewers see the Middleton II as a premium, well-made product with strong sound and practical features. A few customer failures and one casing-quality concern prevent the overall quality picture from being uniformly positive.
One customer reported a good unboxing experience and that the speaker arrived in good condition. There is limited commentary on packaging beyond that positive experience.
The reverse-charging power-bank function is widely seen as genuinely useful for travel and outdoor use. One customer did report that this function failed before the speaker later stopped charging entirely.
Support experiences are inconsistent. One customer praised Marshall’s warranty replacement, while others felt help was limited or unhelpful when charging failures and delayed LE Audio support arose.
Power reliability is the clearest customer concern. Multiple buyers report units that would not charge, arrived dead, stopped holding power, or failed across more than one replacement, although another customer described Marshall speakers as reliable.
Overall sound quality is a major strength, with broad praise for clarity, stereo width, bass, and musicality. Even critical reviewers generally describe the sound as good, while the main reservations involve price, high-frequency detail, or reliability rather than core audio quality.
The replaceable battery is repeatedly praised as a meaningful long-term advantage. Reviewers value the ability to extend the speaker’s useful life instead of treating the battery as permanently sealed.
One reviewer was disappointed that the speaker remains Bluetooth-only with no Wi-Fi streaming. That limits its flexibility as a more integrated at-home speaker.