iBasso DX260 MK2

Same clear DNA, now with the speed, power, and polish 2025 demands.

PROS: Great technical performance for the price (high SNR, very low noise), Octa DAC detail retrieval and excellent imaging, Modernized SoC and Android 13 — markedly better UI/heat profile vs OG DX260, Strong balanced output (useful for a lot of headphones and planars).

CONS: It’s conservative: small sound refinements here and there but if you wanted a significantly different sound from OG DX260, you won’t get it, Very hungry planars and extremely inefficient cans still prefer a desktop amp for the last 10–20% of dynamics, Price positioning sometimes overlaps with other iBasso models and competitors — shop based on which feature (UI, DAC flavour, power) matters most to you.

Introduction.

The DX260 MK2 ships as a conservative but meaningful update to the original DX260: same Octa-DAC architecture built around flagship-class Cirrus Logic CS43198 chips, iBasso’s FPGA-Master 2.0 engine and FIR filtering, but with reworked internal electronics — notably a newer Snapdragon 665 SoC, more and faster internal storage (128GB UFS), Android 13 + MangoOS options, and a higher-pixel 5.0″ 1080p display. Physically it keeps the same DX260 lines, volume wheel and long hardware controls, but feels snappier overall.

Official Website – iBasso Audio ($949) | Also available at North American retailers like Bloom Audio ($1199)

Specifications.

DAC / audio: Octa DAC Matrix (8× CS43198), FPGA-Master 2.0, FIR 2×/4× filters — that core audio chain is the same DNA as the DX260.
OS / CPU / storage: Snapdragon 665 SoC (11 nm, smoother and cooler than the older 660), Android 13 + MangoOS dual-boot option, 4 GB RAM + 128 GB UFS internal, microSD expandability. Firmware support is active.
Screen / UI: 5.0″ 1080p IPS — big and sharp for a DAP in this price tier.
Outputs & power: 4.4 mm balanced + 3.5 mm single-ended, ~1,015 mW + 1,015 mW @ 32 Ω on balanced (same power envelope as the original DX260), low noise floor, high SNR and dynamic range. That power makes it capable of driving many demanding IEMs and most closed & open headphones reasonably well.
Battery & wireless: roughly 12–14 hours depending on FIR/volume; dual-band Wi-Fi and BT5.0 with common codecs.

Design & Ergonomics.

iBasso didn’t reinvent the wheel. The MK2 keeps the DX260’s aluminium chassis, nice weight/feel and that satisfying volume wheel. What changes is subtle: the UI is snappier, app loading and navigating Mango/Android is more pleasant, and the heat/power profile is improved thanks to the Snapdragon 665. Storage being UFS makes large libraries feel less clunky plus it has a user removable back panel and user replaceable battery – which is a very welcome change as batteries of the previous iBasso DAPs were not easy to change. All of it together is the difference between using a DAP that’s clearly designed in 2023 but reworked to not feel dated in 2025.

Sound Analysis.

The short summary – Sonically the MK2 is very close to the original DX260 but with bettered technical performance. It’s neutral-leaning, highly resolving, with a crystalline upper mid/treble and excellent layering. The personality remains iBasso’s transparent, reference-minded presentation: incisive micro-detail, solid transient snap, and a firm staging sense without obvious coloration. If you expected a warm (what a lot of enthusiasts misconstrue as analog sound), rolled treble or a bass monster, this is not the turn. Instead it’s the kind of DAP that tells you what your IEMs/headphones sound like and lets them breathe. (If you want a more obviously warm house-sound, there are other players and amps for that.)

Overall tonality & presentation – The DX260 MK2 presents a neutral-to-slightly-bright tuning with a focus on precision, separation, and cleanliness. It doesn’t impose a strong “house coloration” — instead, it acts as a transparent conduit between recording and transducer. The tonal centre feels dead-flat in the midband, with neither a mid-bass lift nor a deliberate warmth injected. This makes it one of those DAPs where the character of your IEM or headphone becomes the primary flavour in the chain. Compared to warmer-voiced players, you won’t hear additional bloom or euphonic thickness, but you will notice an abundance of low-level detail and micro-dynamic nuance.

Bass reproduction on the MK2 is taut, articulate, and evenly extended. Sub-bass reaches deep with zero sense of roll-off — the lowest octaves are audible and textured, but they aren’t exaggerated. The emphasis is on speed and contour rather than sheer mass. Kick drums hit with sharp attack, then decay quickly without smearing into the lower mids. Mid-bass notes are clean and unpadded — on bass-light monitors, you might even find the presentation lean; on bass-strong headphones, the MK2 reins in excess bloom and makes the low end more disciplined. Compared to iBasso’s own DX300, the MK2 has less warmth and roundness, trading that for more precise layering between bass lines and other instruments.

The midrange is linear, revealing, and slightly on the leaner side of neutral. Vocals sit neither too far forward nor recessed, but the transparency in this range makes every nuance — breath intakes, subtle vibrato — pop out more clearly. Male vocals, especially baritone, come across tight and well-focused rather than chesty; female vocals have a crystalline edge, with excellent articulation. String instruments are rendered with well-defined bowing texture, but with less harmonic “fat” than something like the DX300 or Hiby R6 Pro II. The midrange here isn’t romanticized — it’s forensic, in the best sense for those who value accuracy.

The treble is crisp, airy, and extended without obvious roll-off up top. Cymbal hits have a quick initial crack followed by well-controlled decay, free from splashiness. Micro-details in hi-hat work or string harmonics are illuminated, yet the upper registers never cross into piercing territory unless the recording or IEM itself is already hot in that area. The MK2’s treble energy feels slightly more present than on the DX300, and very similar in openness to the DX320, but with a slightly denser “body” to each note rather than an ultra-diffuse shimmer. FIR 4× filtering enhances treble precision further, giving a near-analogue-tape crispness to transient edges.

Dynamics – Macro-dynamics on the MK2 are clean and immediate — sudden shifts in volume or energy hit without compression, especially in balanced mode. Micro-dynamics, the small gradations in intensity, are where the MK2 shines most: the subtle swell of a sustained piano chord, or the way a vocal line rises and falls in emphasis, is captured with excellent resolution. This contributes to a sense of “liveness” even though the tonality is essentially neutral. The only caveat is that, compared to warmer DAPs, the dynamic contrasts feel more about precision than slam — bass impact is clean rather than visceral.

Soundstage and imaging – Stage size on the MK2 is large, but more about width and depth than exaggerated height. It paints a clear three-dimensional picture, with front-to-back layering that makes it easy to pick out distance cues. Lateral spread is excellent — instruments can be panned hard left/right without collapsing, and there’s no crowding in center imaging. Positional accuracy is laser-sharp, so the MK2 excels at conveying complex mixes, orchestral seating, or live recordings where mic placement matters. Compared to the DX320, the MK2’s stage is fractionally smaller in maximum dimension but offers slightly more solid imaging “anchors” — instruments feel more rooted in their positions.

Resolution & texture – This is one of the most resolving players in iBasso’s current lineup at its size. Fine textures — the rasp of a bow on strings, the grit in a distorted guitar, the micro-reverberations of a snare drum skin — all come through cleanly. The black background (especially with sensitive IEMs) means even very low-level spatial cues and decays are audible. Transients are sharp without etch, and decay is natural but trimmed of excess linger. This resolution feels unforced; it’s a product of the MK2’s quiet background and coherent timing rather than an artificial bump in certain frequencies.

Timbre – The MK2’s timbre is accurate but leans toward a clean, slightly “dry” presentation. Acoustic instruments sound true to life in pitch and harmonic structure, though the lack of extra warmth means they feel more like hearing them in a well-treated studio than in a reverberant concert hall. The dryness helps with separation and speed, but listeners who prefer lush, saturated timbres might find it more technical than emotive. That said, pairing it with warmer IEMs or headphones balances the equation beautifully.

Noise floor & background – With sensitive BA IEMs like Custom Art FIBAE 5 or F7U the MK2’s background is pitch-black — no hiss, no electronic texture, even at higher gains. This makes it an ideal source for extremely sensitive monitors, where any residual noise would otherwise be obvious.

Driveability – the balanced output gives you ~1 W @ 32 Ω — that’s enough to push many mid-sensitivity planars and closed cans to useful SPL. Still, extremely inefficient planars or very high-impedance headphones might still prefer a desktop amp.

FIR filtering – works as expected: higher FIR modes tighten the impulse response and increase resolution at the cost of battery; the MK2 handles FIR without UI lag.

Class AB vs Class H – What Do They Mean?

The new firmware adds a “DAC Analog PS” option, letting you choose between Class AB and Class H modes for the CS43198 DAC output stage. At first glance this might sound like amplifier jargon, but it’s essentially two different ways the DAC handles its analog power rails.

Class AB is the more traditional approach. The output stage always runs off a fixed voltage supply, which means it’s constantly ready to deliver the full swing of current, regardless of whether the music is soft or loud. The benefit is a very consistent, linear response and the kind of smooth, effortless flow that many audiophiles are familiar with.

Class H is a newer, more efficient design. Instead of using a single fixed voltage, it dynamically switches between two rail voltages depending on what the music demands. When playback is quiet or doesn’t need the extra power, the DAC uses the lower rail to save energy and reduce unnecessary heat. As soon as a passage requires more headroom — a kick drum hit, a sudden crescendo — it seamlessly jumps to the higher rail. The idea is to strike a balance between efficiency and performance without compromising dynamics.

Sound Differences.

Class AB comes across as the more traditional tuning — slightly smoother and more linear in presentation. There’s a sense of ease in note delivery, especially with vocals and acoustic instruments. Micro-dynamics flow in a very natural way, giving the sound a bit more liquidity. It feels relaxed yet full, with a stable stage and consistent tonality across the spectrum.

Class H, on the other hand, injects a touch more energy into the sound. By dynamically switching rail voltages, it seems to open up headroom a bit, especially noticeable on fast transients and bass impact. The low end gains extra punch and definition, and the upper mids carry a crisper edge. The stage can feel a shade wider with a slightly more holographic sense of separation, though it also makes the presentation a touch leaner compared to AB.

In practical terms, Class AB may appeal to those who favour a warmer, more organic flow, while Class H suits listeners looking for a bit more drive, attack, and spaciousness. Importantly, neither mode compromises the DX260MK2’s low noise floor or detail retrieval, making this feature more of a fine-tuning option than a radical change.

Comparisons.

iBasso DX260 (original).

What’s identical: octa-DAC architecture, core analog stage and general tonal balance. If you liked the original DX260’s sonic fingerprint, you’ll feel right at home.

What’s changed: CPU (SD660 → SD665), 128 GB UFS storage instead of eMMC/64 GB, Android 13 and firmware improvements, a noticeably smoother UI and cooler running. One important feature the MK2 has is the battery bypass mode which allows user to bypass the battery and use a power bank instead, which is always a very welcome feature for increasing the battery life for the extra long road trips. But for many owners the MK2 would be a quality-of-life upgrade more than a large jump in sound. MK2 sure is a bit better in terms of sound quality, especially technical performance (stage, centre separation and deeper depth) but the differences aren’t night and day – they’re a refinement. If you have a DX260 and you’d like the good hardware improvements with a refined step up in sound, the MK2 is a sensible refresh. If your original runs fine and you’re happy with it, there’s no major sonic cliff to jump.

iBasso DX300.

DX300 historically sits a touch warmer and fuller in the low end with more body — the DX260 lineage is leaner and quicker. In my experience the DX300 imparts a little extra bass weight, which can make some IEMs sound more fun and meaty. The DX260MK2 leans toward transparency and micro-detail. For listeners who chase shear detail and neutrality, MK2 is excellent; for those who prefer a slightly fuller midbass and a richer midrange bloom, DX300 remains attractive.

iBasso DX320.

The DX320 pushed iBasso’s tuning toward even greater transparency, bigger soundstage and more holographic imaging compared to earlier DX300 devices. Compared to the DX320, the MK2 is close in transparency but doesn’t quite match the DX320’s lateral head-space and holographic placement; DX320 still wins on sheer technical wow for some tracks. The MK2, however, is smaller, more efficient, and feels more modern software-wise — a pragmatic choice for daily use.

iBasso DX180.

The DX180 plays in a slightly more conservative technical league versus the DX260 family. The DX260 lineup (including MK2) is more explicitly detailed and airier. DX180 is competent, often cheaper on the used market, and pleasantly musical, but DX260 MK2 is a step up in retrieval, separation and firmware polish.

HiBy R6 Pro II.

The Hiby R6 Pro II is a strong competitor in the sub-$1k DAP field — neutralish, smooth, and with very capable AKM DACs and a different UI philosophy (MSEB, parametric EQ strengths). The R6 Pro II trades some of the DX260 MK2’s top-end microdetail for a slightly more coherent timbral flow; some listeners prefer R6P2’s musicality, others prefer DX260 MK2’s higher microdetail and stricter imaging. Practically: if you want Android smoothness + MSEB tinkering, Hiby is compelling; if you want the Cirrus-octa signature and ultra-quiet noise floor with iBasso’s FIR approach, MK2 is the pick.

IEM pairings.

Below I’ll go through the IEMs you asked about. These are listening notes — how the MK2 shaped their character and whether the pairing is synergistic.

General idea: DX260 MK2 is a revealing, neutral engine. If an IEM is bright, the MK2 will show it. If an IEM is warm or colored, the MK2 will show that too but with high resolution and noteworthily good layering.

PMG Audio APX – lean, analytical monitors. With the MK2 they become incisive and very revealing — microdetail blossoms, leading edges are quick. If your APX tuning already favours detail, expect more of that; the MK2 gives stage depth and excellent instrument separation.

PMG Audio APX SE – the SE’s subtle voicing benefits from the MK2’s clarity — vocals gain body without losing the crisp transients. Overall very good synergy; use low FIR for a touch more warmth if you want smoothing.

Craft Ears Omnium – Omnium’s balanced, textured, neutral bright tuning gets superb retrieval on the MK2. The player exposes the Omnium’s fine textural cues and imaging; timbre stays natural and dynamics feel snappy. Excellent match — the MK2 gives Omnium air and separation it thrives on.

Symphonium Europa – Europa is a mid-forward, lush IEM. MK2 tempers it with added clarity so the mid sweetness doesn’t get woolly. The result is natural, intimate vocals with clearer background detail. If you like Europa’s romantic side, MK2 keeps it but polishes the edges.

Kinera Loki Emerald – a somewhat fun, syrupy IEM. MK2 helps control bloom and provides improved layering. Bass remains present but more controlled; treble detail emerges without harshness. Nice pairing.

Kinera Thorking – larger-chambered and bassy, Thorking with the MK2 tightens up bottom end and improves microdynamic contrast. Expect a more reference presentation, less midbass haze.

BGVP Solomon – Very neutral/vivid IEM — MK2 pairs very well, giving very good staging and excellent clarity. Vocals sit natural and the player doesn’t over-emphasise anything. BCD effect allows for holographic imaging and staging.

BGVP Phantom SE: MK2’s transparency sharpens imaging and layering; overall more controlled and technical.

Elysian Diva 2023 – a smooth, lush signature. MK2 adds detail and air — Vocals get more front-row presence, and cymbals shimmer with slightly more resolution. Lovely pairing for vocal music.

Elysian GAEA – more neutral/technical; MK2 brings superb layering and texture retrieval — very revealing, very satisfying.

Custom Art F7U – if your F7U is warm and full, MK2 will give it more clarity and slam. Dynamics become punchier without losing the signature weight.

Custom Art FIBAE 5 – a very resolving IEM — MK2 is a natural partner. Tremendous micro-detail, excellent separation and soundstage. Low noise floor makes the FIBAE 5 sing.

Headphone pairings — what changed vs other sources.

The DX260 MK2’s power and transparency let it behave as either a revealing transport or a small desktop amp replacement for many cans. Below are impressions with each headphone you listed.

Meze Elite Tungsten – Elite Tungsten is planar, powerful and needs current. The MK2 can drive it to listenable levels with good dynamics and control thanks to its ~1W balanced output, but at high SPLs the player’s headroom is finite. Sound wise, it sounds precise, with very clear separation while the bass extension is solid, just not as slammy as with a big desktop amp. Great portable pairing when you want accuracy.

Meze Liric 2 – Liric 2 is slightly more forgiving; MK2 provides excellent detail retrieval and airy treble without making it fatiguing. Driveability is comfortable and dynamics are satisfying. Very good portable pairing.

Meze 105 Silva & Meze 105 AER – Both 105 variants respond well. Silva (treble-focused) becomes more polished and airy; AER (more neutral/wider) benefits from improved imaging. MK2 reveals texture and decay nuance.

HEDDphone TWO – HEDDphone TWO are serious planars which prefer a lot of current. MK2 drives them to a respectable level with excellent clarity and low noise, but as with Tungsten, a larger desktop amp unlocks extra slam and control. Use MK2 for portable listening or when you want to keep sound neutral and detailed.

Dan Clark Aeon Closed X – Aeon Closed X is an efficient closed planar — MK2 handles it beautifully. Result: natural midrange, tight bass and excellent imaging. Among the headphones listed, this one feels the most comfortable to drive out of the box with the MK2.

Comparisons that matter in daily use.

If you own DX260 OG — MK2 is more a quality of life upgrade and a gradual refinement in sound quality. If you rely heavily on streaming apps, Android, or large libraries on internal storage, MK2 is a fair switch. If you’re purely chasing major sonic change, you won’t get a dramatically different house sound.

If you’re choosing between MK2 and DX320/DX300 — pick DX320 for more holographic presentation and a slightly different technical signature; pick DX300 if you want a warmer, slightly fuller sound; pick DX260 MK2 if you want reference neutrality with modern UX and a more compact footprint.

If you’re comparing MK2 to Hiby R6 Pro II — both are excellent; Hiby offers MSEB and a different flavour of neutrality, while MK2 doubles down on Cirrus-based octa DAC clarity and iBasso FIR. Your choice should come down to UI preference and which tuning you prefer.

Who should buy the DX260 MK2?

Owners of older DX260 who want a modernised daily driver — yes but not a major/substantial upgrade.
New buyers who want a very revealing, neutral DAP with substantial power — absolutely a top option in its price bracket.
People chasing a dramatically new signature — look at other iBasso models (DX320/DX300) or other brands — the MK2 is evolution, not revolution.

Verdict.

iBasso did the sensible thing: they took a good formula (the DX260), kept the audio heart intact, and spent engineering cycles where most owners will notice every day — faster storage, cooler CPU, cleaner firmware, and a proper Android 13 experience. The payoff is a DAP that behaves like a modern player and sounds like modern reference: neutral, detailed, and polite. If you’re picky about transparency like me and prefer staging and fidelity of the recording rather than colour, the DX260 MK2 should be high on your audition list. If you want your DAP to add warmth or character rather than show you what your gear already does, pair the MK2 with a warmer amp or choose a different brand’s flavour — but don’t write MK2 off; it does reference sound very well.