JBL Charge 6 VS Sony ULT Field 5

The most striking design difference between these two speakers is sheer size and weight. The JBL Charge 6 is a compact, portable unit weighing 960 g with a volume of roughly 2,118 cm³, while the Sony ULT Field 5 is a substantially larger speaker at 3,300 g and over 5,760 cm³ — more than three times heavier and nearly three times the volume. In practical terms, the Charge 6 is a grab-and-go companion you can comfortably carry in a bag or by hand, whereas the ULT Field 5 is better described as a portable party speaker: movable, but not something you'd casually take on a hike or to the beach.

Water protection is another critical divergence. The Charge 6 carries an IP68 rating, meaning it can be fully submerged in water — ideal for poolside use or even accidental drops in a lake. The ULT Field 5 is rated IP66, which provides strong protection against powerful water jets and rain but stops short of submersion. For truly wet environments, the Charge 6 has a meaningful real-world edge. On the other hand, the ULT Field 5 adds RGB lighting, which the Charge 6 lacks entirely — a design choice that targets party and ambiance use cases. The Charge 6 counters with a detachable cable and neodymium magnets, the latter contributing to driver efficiency in a more compact enclosure.

Overall, the JBL Charge 6 holds a clear design advantage for portability and water durability, making it the more versatile everyday companion. The Sony ULT Field 5 is purpose-built for larger gatherings where its size, weight, and RGB aesthetic are deliberate trade-offs in favor of presence and visual impact rather than on-the-go convenience.

Both speakers share an identical upper frequency limit of 20,000 Hz, meaning neither has an edge in high-frequency reproduction — treble detail and air are theoretically on equal footing. Where they diverge meaningfully is at the low end. The Sony ULT Field 5 reaches down to 20 Hz, the very threshold of human hearing, while the JBL Charge 6 bottoms out at 56 Hz — a gap that represents a substantial portion of the sub-bass spectrum. In practice, this means the ULT Field 5 can reproduce deep kick drums, bass synths, and cinematic rumble that the Charge 6 simply cannot physically reproduce.

It is worth noting that both speakers employ a passive radiator, a design technique that enhances bass extension without requiring a powered subwoofer. This helps both units punch below their size class, but the ULT Field 5 — already a larger enclosure — leverages this advantage to reach far deeper frequencies. The Charge 6's passive radiator is doing meaningful work to overcome its compact cabinet, yet the physics of its smaller volume still impose a natural ceiling on how low it can credibly go.

For sound quality in this group, the Sony ULT Field 5 holds a clear and significant edge. A 20 Hz floor versus 56 Hz is not a marginal difference — it is the distinction between a speaker that covers the full audible bass range and one that handles mid-bass and above. Listeners who prioritize deep, room-filling low end will find the ULT Field 5 considerably more capable on paper.

Power endurance is remarkably close between these two speakers, and both are genuinely strong performers in this category. The JBL Charge 6 claims 28 hours of battery life versus 25 hours for the Sony ULT Field 5 — a three-hour gap that, while real, is unlikely to be a deciding factor for most users. Either speaker can comfortably cover a full day of outdoor use, an extended camping trip, or a weekend gathering without demanding a recharge.

Beyond runtime, the two products are functionally identical in this group: both feature a battery level indicator, neither offers wireless charging, and neither has a removable battery. The absence of wireless charging is a shared limitation worth noting — both speakers require a wired connection to recharge, which is standard for this product category but worth keeping in mind for users who have come to expect Qi charging convenience.

The JBL Charge 6 takes a narrow edge here on paper, though it is worth contextualizing: the ULT Field 5 is a significantly larger, more power-hungry speaker, so sustaining 25 hours at that scale is arguably an equivalent engineering achievement. For purely spec-driven decisions, however, the Charge 6's 28-hour rating gives it the win in this group.

Connectivity is where these two speakers diverge in philosophically different directions. The Sony ULT Field 5 supports LDAC, Sony's high-resolution Bluetooth codec capable of transmitting up to three times more data than standard SBC — a meaningful advantage for listeners streaming lossless or high-bitrate audio from a compatible source. Paired with an AUX input, the ULT Field 5 also offers a wired fallback that the Charge 6 entirely lacks, adding flexibility in environments where Bluetooth connectivity is unreliable or unwanted.

The JBL Charge 6 counters with Auracast support, a newer Bluetooth broadcast technology that allows one speaker to transmit audio to multiple receivers simultaneously — useful for shared listening scenarios or future-proofing as the Auracast ecosystem grows. It also runs on the slightly newer Bluetooth 5.4 versus the ULT Field 5's 5.3, though in real-world use at an identical maximum range of 10 m, this version difference is unlikely to be perceptible. Both share USB-C and a single USB port, and neither supports Wi-Fi or NFC pairing.

This group doesn't have a single clear winner — it depends on the user's priorities. The Sony ULT Field 5 has the edge for audio fidelity and input flexibility, thanks to LDAC and its AUX port. The JBL Charge 6 is the stronger choice for forward-looking multi-device broadcast scenarios via Auracast. Audiophiles and users with wired sources will favor Sony; those invested in the emerging Auracast ecosystem will lean toward JBL.

Across every feature tracked in this group, the JBL Charge 6 and Sony ULT Field 5 are in complete lockstep — a rare outcome that makes this one of the most straightforward comparisons in the entire spec set. Both support smartphone remote control, meaning users can adjust settings or manage playback from a companion app without touching the speaker. Both include voice prompts for audible status feedback, a sleep timer for unattended playback scenarios, and crucially, both function as a power bank — a practical feature that lets either speaker charge an external device like a phone directly from its battery.

The power bank capability deserves particular attention given the context of each product. For the Charge 6, it reinforces its identity as an all-in-one outdoor companion where outlet access may be limited. For the ULT Field 5, it is a welcome bonus on a larger speaker that already carries significant battery capacity. Neither product adds fast pairing or voice assistant integration, which keeps the feature set focused and utilitarian rather than feature-bloated.

This group is a dead tie. There is no differentiator to analyze — every feature present on one speaker is identically present on the other. Users should look to other specification groups, such as Design, Sound Quality, or Connectivity, to inform their decision, as features alone will not separate these two products.

With only one data point in this group, the analysis is concise by necessity: both the JBL Charge 6 and the Sony ULT Field 5 support stereo pairing, meaning two units of the same model can be linked together to deliver true left/right channel separation. For a category where mono output is still common, this is a genuinely useful capability — stereo pairing significantly widens the soundstage and creates a more immersive listening experience compared to a single speaker operating alone.

This group is a complete tie. Neither product holds any advantage over the other based on the available data. As with the Features group, the meaningful differentiators between these two speakers lie elsewhere — particularly in Design, Sound Quality, and Connectivity, where the two products diverge considerably.