Compare Focal Bathys MG Wireless Headphones vs DALI IO-12 Headphones

ANC is good to very good and clearly improved over the original, but the consensus is that Sony and Bose still cancel more noise overall, especially in the mids. The three-mode ANC system gives useful control with Silent, Soft, and Transparency options, even though there is no true ANC-off mode.

ANC is broadly described as effective for reducing low rumbles and general ambient noise, but it is not considered class-leading compared with flagship Bose, Sony, or Apple models; some mention susceptibility to wind noise. Noise cancellation adjustability is limited to onboard mode switching in most coverage, with some sources noting multiple ANC modes, but no fine tuning via app.

Android support is straightforward, with repeated references to Android compatibility in specs, pairing, and app support.

The Focal & Naim app is useful for basics like ANC, EQ, personalization, lighting, and battery view, but several reviewers find it limited or occasionally glitchy.

Multiple sources confirm there is no companion app for the IO-12.

aptX support is a clear plus and is repeatedly listed as part of the headphone's strong everyday wireless feature set.

Multiple reviews explicitly cite aptX options, including higher-tier variants such as aptX HD and aptX Adaptive, as part of the IO-12 wireless feature set.

Bass is generally praised for depth, slam, texture, and control, though several reviewers note the default tuning can run a little warm, boomy, or heavy before EQ.

Bass is typically described as tight and controlled in Hi-Fi mode with convincing weight, while Bass mode adds slam and warmth without turning into a boomy mess, though it can trade away some treble presence.

Battery life is solid rather than class-leading, with the commonly cited 30-hour Bluetooth figure generally holding up well in real use. Battery replacement appears possible through Focal service rather than as a user-swappable design, offering some serviceability without true end-user replaceability.

Battery life is commonly cited around 35 hours, with at least one real-world report closer to 30 hours; overall it is respectable but not exceptional relative to cheaper competitors.

Bluetooth performance is usually stable with fast pairing and dependable everyday use, but a few reports mention quirks rather than flawless behavior.

Bluetooth connectivity is commonly reported as stable, with fast pairing and few to no dropouts even in busy environments.

Build quality is one of the strongest consensus positives, with premium materials, excellent finishing, and solid construction throughout.

Build quality is repeatedly described as ultra-premium, with strong materials and a luxury feel that holds up to travel use when handled with care.

The built-in DAC and hi-res USB playback are among the headphone's clearest differentiators, and many reviewers treat DAC mode as a headline feature.

Physical controls are a strength, with tactile buttons and switches that are generally easier to trust than touch panels.

Buttons are often praised for responsiveness and tactile feedback, but a few reviewers mention accidental activation, especially when adjusting volume or leaning against a seat while traveling.

The included cables are generally described as acceptable to durable, even if they are not luxurious extras.

Cable quality feedback is mixed: some appreciate the included cables and finish, while at least one reviewer calls the cable frustrating to use and prefers the shorter option.

The carry case is repeatedly praised as protective, slim, and premium, even if a few users still find it bulky in a bag.

The carry case is typically praised as premium and protective, with good structure and compartments, but it adds bulk and can be impractical for compact packing.

Fast charging is a practical plus, with the widely repeated 15-minute top-up for roughly five hours of playback.

Charging is described as taking roughly 1.5 to 2 hours from flat with no fast-charge boost mentioned, and one reviewer notes behavior consistent with limiting charge to protect long-term battery health.

Clamp is generally better judged than on the original Bathys, feeling secure without being overly oppressive for most listeners.

Clamping force is usually described as secure but comfortable, ranging from light to moderately firm depending on the reviewer, without feeling unstable.

Codec support is serviceable rather than cutting-edge: aptX and aptX Adaptive are welcome, but multiple reviews call out the lack of broader premium codec coverage.

Codec support is positioned as strong for a premium wireless headphone, with repeated mentions of AAC and aptX-family options that help preserve detail over Bluetooth.

Long-session comfort is one of the Bathys MG's most consistent wins, with many reviewers praising fatigue-free wear over flights, workdays, or extended listening.

Long-session comfort is one of the most consistently praised aspects, with roomy earcups and plush pads that avoid pressure points for many listeners.

Design is a major selling point, with the chestnut finish, leather, metal accents, and illuminated logo giving the Bathys MG a clearly luxurious identity.

Design is widely described as premium and distinctive, but the dark chocolate color can divide opinion, and the large earcups create a bold, bulky look on some heads.

The included 3.5mm and USB-C wired options add real convenience for travel, desk use, and higher-quality listening beyond Bluetooth.

Softer, more supple pads are a meaningful upgrade, improving comfort, seal, and overall premium feel.

Earcup and pad materials are frequently described as plush, premium leather with generous space for larger ears, contributing to both comfort and isolation.

The cups offer enough articulation to sit comfortably and fold flat, but the headphone is not especially compact and does not fold into a tighter travel shape.

Earcups are commonly described as able to swivel or lay flat, aiding seal and travel storage even though the overall design does not fold compactly.

EQ is helpful and usable, but the five-band structure is repeatedly described as limited compared with fuller parametric options.

Without an app, EQ customization is not available beyond onboard preset modes, which limits personalization compared with mainstream flagship wireless headphones.

Reviewers consistently describe the tonal balance as natural, balanced, or close to reference in the better presets, with cleaner frequency relationships than the original Bathys.

Hi-Fi mode is commonly described as balanced and relatively uncolored, while Bass mode shifts the tonality warmer and can slightly reduce upper-mid and treble prominence.

The headband and slider system is easy to adjust and feels premium, helping users dial in fit without fuss.

Headband adjustment is described as smooth and secure, holding its position well once set.

The yokes and hinge-related hardware are widely described as sturdy, well finished, and built to last.

The included bundle is straightforward but useful, typically covering the hard case plus 3.5mm and USB-C cables.

Included accessories are generally considered generous, with multiple cables and adapters plus a premium case, though some note the absence of a USB-C to USB-C cable.

Instrument separation is frequently singled out as excellent, with strong channel separation, precise placement, and the ability to keep dense mixes organized.

Instrument separation and imaging are consistently praised, with precise placement and clear spacing between layers even in complex mixes.

The built-in mic setup is a practical part of the package, handling calls, assistants, and ANC duties without standing out as a weak point.

LDAC is a notable omission and one of the most commonly cited feature complaints at this price.

At louder playback levels the Bathys MG generally stays composed and detailed, but some reviewers still hear treble edge on bright material, so max-volume behavior is good rather than perfect.

Reviews that discuss loud listening report strong composure and minimal distortion at higher volumes, encouraging careful use because it stays clean as you turn it up.

The microphone array does a respectable job suppressing background noise and keeping speech intelligible, though wind and harsher noise are not fully erased.

Call quality is generally solid, with voices coming through clearly and naturally even if the very best Sony-style call performance is still a step ahead.

Midrange performance is a major strength, delivering clear, rich, weighty instruments and improved vocal/instrument resolution over the original, even if a few reviewers wanted vocals pushed further forward.

Midrange clarity is repeatedly highlighted as a standout strength, with clean layering and realistic vocal and instrument textures that feel unusually hi-fi for Bluetooth.

The Bathys MG works broadly across phones, computers, tablets, and wired sources, making it easy to use across mixed-device setups.

Multipoint is supported and often works well, though several reviewers mention occasional switching quirks that keep it from feeling completely polished.

Multipoint is noted as supported and convenient for staying connected to two devices, though it is not heavily stress-tested across all sources.

Passive isolation benefits from the over-ear seal and softer pads, though seal sensitivity with glasses is noted by at least one reviewer and total isolation still leans on ANC.

Passive noise isolation is described as strong thanks to large, well-sealing earcups and design details aimed at closing gaps around the ear, providing a solid foundation before ANC is even enabled.

Portability is decent for a premium over-ear: the headphone folds flat and the revised case is slimmer, but it still is not a truly compact travel design.

Portability is a recurring compromise: the headphones are large, do not fold down compactly, and several reviewers mention the case is too big for many backpacks.

Preset profiles, especially Dynamic, are viewed positively and can materially improve tonal balance depending on listener taste.

Preset sound modes are generally seen as well-judged: Hi-Fi is the reference setting for balance and clarity, while Bass mode adds punch and warmth, sometimes with a tradeoff in treble and mid presence.

Replaceable earpads are explicitly mentioned and add welcome long-term serviceability.

Replaceable earpads are explicitly mentioned as a welcome premium touch, with pads that can be removed for cleaning or replacement.

Convenience sensors are sparse, with at least one reviewer specifically calling out the lack of wear detection.

Some coverage notes the absence of wear sensors and similar smart conveniences found on mainstream flagships, reinforcing the IO-12 focus on audio and simplicity over automation.

Sidetone adjustment is present in the app, but it is not explored deeply enough in reviews to suggest anything beyond basic usefulness.

Setup is usually straightforward, but the app and feature set are not always as polished or flexible as the best consumer-audio ecosystems.

Day-to-day operation is described as straightforward because settings are handled on the headphones, but the lack of an app also means limited customization and some sources note manual firmware updating.

Across the file, the Bathys MG is repeatedly described as one of the best-sounding wireless headphones available, with standout refinement, detail, dynamics, and realism. Wired listening is a real strength, especially in USB-DAC mode, with reviewers repeatedly hearing cleaner, higher-resolution playback than over standard Bluetooth.

Across reviews, sound quality is the headline: a speaker-like, highly resolving presentation that many call among the best in wireless closed-backs, with strong imaging and refinement. Wired sound is often described as equal or better in resolution than wireless, with USB-C and 3.5 mm options; passive use is supported, and some recommend listening powered on to benefit from onboard DSP.

For a closed-back wireless design, the Bathys MG earns unusually strong soundstage marks, with convincing width, layering, and better spatial openness than most ANC rivals.

Most reviews describe an unusually open, spacious soundstage for a closed-back wireless headphone, with strong width and credible depth; one reviewer notes it is not stadium-wide but avoids feeling claustrophobic.

Spatial audio is absent, and several reviewers explicitly note that Focal prioritized core sound over that feature.

Fit stability is mostly good for seated use and commuting, but a few comments suggest movement-related thumping or shifting during more active use.

Fit stability is generally described as secure with a good seal, but the sizing and overall footprint may feel better suited to average-to-larger heads than very small ones.

The packaging and material story show some environmental consideration, including recycled or FSC-style materials in the box and presentation.

There are no touch controls here, so anyone wanting swipe gestures or tap controls will not find them.

Control surfaces are generally responsive; some coverage mentions touch-style control areas, but overall interaction is described as clicky and deliberate rather than finicky.

Transparency mode is considered effective and natural enough for conversations and situational awareness without removing the headphones.

Transparency mode is generally described as clear and practical for awareness, without strong criticism, though fewer reviews go deep on its nuance.

Treble is mostly clear, smooth, and detailed, but a few reviewers hear some edge or heat up top, especially on bright recordings or at louder levels.

Treble is generally airy, detailed, and smooth, with occasional notes that it can approach brightness on certain recordings; Bass mode can tame the top end if needed.

USB-C is central to the product experience, handling charging and the high-value DAC mode for higher-resolution wired playback.

USB-C is highlighted as both a charging and playback option, with multiple sources noting USB audio support up to 24-bit and 96kHz.

Voice assistant access is built in and works as expected through the dedicated button and supported platforms.

Voice assistant support is described as available via a press or long-press action, and some sources also mention voice prompts for battery status.

Volume output is commonly described as having plenty of headroom, with enough drive to get loud without feeling strained.

At about 350g the Bathys MG is not especially light, but most reviewers still find the weight well managed and comfortable in practice.

Weight is noted as present but generally not burdensome once worn, though some acknowledge the overall heft and size compared to mainstream travel headphones.