By aspect — in detail
The near-universal read is warm-leaning neutral / balanced and, above all, fatigue-free — a smooth, all-rounder tuning that stays easy over long sessions rather than exciting on first listen. Most place the emphasis on a lush midrange over a clean, sub-bass-lifted low end and a controlled top end; the one nuance is Headfonics, which frames the same balance as a clean, bassy 'U-shape' with an extended upper treble. Its easy ~16–18 Ω / ~106 dB load makes source matching about tone, not drivability.
“The Kiwi Ears Cadenza II delivers balanced, fatigue-free sound quality at an extremely accessible price point.”
The Metalverse
“The Cadenza II has a relaxed, smooth sound signature, nicely warm while still sounding relatively neutral.”
The Headphoneer
“Everything is there: bass, midrange, treble, soundstage.”
Alpha Audio
“The Cadenza II has a clean, bassy overall sound that is well balanced with the upper treble, creating a U-shaped sound signature.”
Marcelo, Headfonics
Measured
A warm-of-neutral, Harman-adjacent tuning: an ~8 dB sub-bass shelf that (per Kiwi Ears' KARS 2.0 and Alpha Audio) cuts off around 200 Hz so the mid-bass stays tucked, a small 300–400 Hz bump for lower-mid warmth, a broad ~9 dB pinna-gain rise near 2.8–3 kHz that Headfonics measures as sitting below reference (so it never turns shouty), and a smooth, controlled treble. An easy ~16–18 Ω, ~106 dB load.
The low end is clearly sub-bass-forward rather than mid-bass-heavy — the KARS labyrinth tucks the mid-bass so it doesn't bleed — and most reviewers call it clean, quick and well-textured. Where they part ways is quantity and impact: some find it punchy and satisfying, others deliberately moderate and a touch light for bass-heads. Almost everyone agrees it isn't a basshead tuning, and that a good seal (often the wide-bore tips) is what firms it up — a poor seal reads thin.
“The bass is more powerful in the sub-bass than the mid-bass, which is a good thing.”
The Headphoneer
“The bass is quick, punchy, and satisfying.”
higherdotedu, r/iems
“On electronic music or hip-hop, the Cadenza II performs well but might leave bass-heads wanting more physicality and presence in the low frequencies.”
The Metalverse
Measured
An ~8 dB sub-bass shelf that KARS 2.0 rolls off around 200 Hz into a deliberately tucked mid-bass (Headfonics measures the boost as occurring below 200 Hz), which is why the low end reads as clean, sub-bass-forward and non-bleeding rather than warm and thick — and why perceived quantity swings with how good a seal the tips get.
Mids
Strong consensus · 9 srcThe clearest point of praise and the set's calling card. Reviewers consistently hear a lush, warm, natural midrange with real note weight and lifelike timbre, forward and intimate enough that vocals take center stage, yet carefully tuned around 3 kHz so it never turns shouty, nasal or thin. Male and female voices alike are called full and pleasant, and instruments are said to sound convincingly like themselves.
“The midrange is the strongest frequency range of the Cadenza II.”
The Metalverse
“The midrange is very neutral and accurate in terms of note weight. It sounds dense and lush yet clear and accurate.”
Marcelo, Headfonics
“The midrange is forward and intimate, making the singer feel like they are standing right in the room with you.”
Prime Audio
“Male and female vocals sound full, natural, and pleasant with no nasal or thin qualities.”
higherdotedu, r/iems
Measured
A small 300–400 Hz bump adds lower-mid warmth under a broad ~2.8–3 kHz pinna-gain rise that Headfonics measures sitting below the reference line — enough presence to keep vocals forward and clear, restrained enough to avoid shout or sibilance.
The most agreed-upon fact and a mild point of preference. Everyone hears a smooth, controlled, non-sibilant treble that peaks gently around 3 kHz and extends without bite — an easy recommendation for the treble-sensitive and for long sessions. The flip side, noted by several, is that it's deliberately tamed: light on air and sparkle, so detail- and treble-heads find it a touch polite. The wide-bore tips brighten it slightly; overly wide tips or a warm dongle can push it darker.
“you won't experience harsh cymbals or piercing hi-hats, even at higher listening volumes.”
The Metalverse
“This is a great example of a smooth treble that still offers high resolution.”
Prime Audio
“Could it have been given more energy? Yes, absolutely.”
Mobileaudiophile
“The treble will not offend anyone. It is quite relaxed but nicely detailed for the price point.”
The Headphoneer
Measured
The treble peaks gently near 3 kHz and extends smoothly; Headfonics notes small 8 kHz and sharper 13 kHz peaks in its own measurement but attributes them to the metal coupler of the measuring rig rather than the IEM, consistent with the near-universal 'no sibilance' impression.
Soundstage
Contested · 7 srcA genuine split. One camp — led by the highest-weight editorial — hears a surprisingly big, spacious, almost spherical stage that puts you in the middle of the performance. The other hears an average-width, intimate, monitor-style presentation that's fine for the price but not expansive, especially in height and depth. Some of the gap likely tracks the tamed treble (which can shrink perceived air) and tip/seal choice, but the disagreement is real.
Where it splits
Surprisingly big and spacious — a wide, holographic stage for a budget set.38%
“The Cadenza II soundstage is surprisingly big; it has good width and height, but I feel that the depth is slightly greater than its width.”
Marcelo, Headfonics
Average width and intimate — a monitor-style stage that isn't particularly expansive.62%
“The soundstage is above average in width for a budget IEM, though it's not particularly expansive in height or depth.”
The Metalverse
Read as good-for-the-money without being pinpoint. Reviewers credit accurate placement and impressive separation for a budget set — good enough to make it a fair gaming pick — while noting the presentation is a touch laid-back, so imaging edges and separation on busy tracks fall short of pricier sets.
“Instrument separation is impressive for a budget set, as is the overall resolution.”
Prime Audio
“The Cadenza II still supplies good imaging with good placement, albeit with a slightly laid-back presentation.”
Marcelo, Headfonics
“Soundstage doesn't feel congested, imaging is accurate enough, but separation could be better.”
higherdotedu, r/iems
Solid for ~$50, with the resolution living in the midrange. Reviewers hear plenty of detail and even micro-detail through the mids, but agree the very finest treble air and micro-texture are subdued by the smooth top end, and that outright resolution is good rather than class-leading.
“I hear a lot of detail and resolution, as well as microdetails and microdynamics.”
Marcelo, Headfonics
“Macro and micro details are there, even if not top-notch”
Mobileaudiophile
“The Cadenza II has a decent detail level and adequate dynamics.”
The Headphoneer
Fast, clean transients from the titanium-coated driver, with dynamics most call adequate rather than explosive. This is also where the one real source disagreement lives: Headfonics hears genuine dynamic punch but says it only arrives with real power (and compresses on weak sources), while most others run it happily off a phone or dongle — and a couple of listeners note the bass and treble thin in density on demanding, busy tracks.
“The Cadenza II sounds dynamic and requires a lot of power, with plenty of headroom to spare, without distorting or compressing.”
Marcelo, Headfonics
“You won't need a dedicated stack to get the most out of these; the Cadenza II is versatile enough to run perfectly straight from a phone or a simple dongle DAC.”
Prime Audio
“when playing demanding tracks, the bass and treble kind of drops in sound density.”
colinhui, r/iems
Comfort
Strong consensus · 7 srcA standout and a point of full agreement. The lightweight (~4.5 g) polycarbonate shell is ergonomic and near-weightless, disappearing over multi-hour sessions with no hotspots or pressure — and a vent relieves the suction feeling of fully sealed IEMs. The wide-bore tips are the consensus pick for fit and sound alike.
“Comfort is one of the Cadenza II's strongest suits.”
The Metalverse
“These things are dead comfortable.”
Prime Audio
“I have used it for hours during walking exercises or just at home for sound evaluation, and I have never experienced any discomfort.”
Marcelo, Headfonics
Broadly seen as a real upgrade over the original's 3D-printed resin: a durable polycarbonate-composite shell with a velvety finish and a CNC-machined aluminum honeycomb faceplate, plus a well-behaved single-crystal-copper cable most like (a few find it a touch tangle-prone). The recurring gripes are the thin accessory bundle and no carrying case, and that the cleaner metal look is a bit plainer than the original's artistic resin faceplates.
“I like that the Cadenza II uses a polycarbonate composite shell, which is more impact-resistant and durable than the increasingly common 3D-printed resin shell.”
Marcelo, Headfonics
“Honestly, the build quality is impressive—they feel solid and well-put-together.”
Prime Audio
“for $50 the build and the packaging of the Cadenza 2 is quite underwhelming.”
colinhui, r/iems
Isolation
Moderate · 2 srcAverage for the class and seal-dependent. Reviewers rate the passive isolation as adequate — good enough for everyday use but not outstanding — with the vent trading a little isolation for comfort. Figures cited land around 30 dB in the highs and ~10 dB in the lows.
“Isolation is good, but not outstanding.”
The Metalverse
“I did find the sound isolation of the Cadenza II to be average”
Marcelo, Headfonics
The dominant view is strong value — a smooth, well-built, do-everything budget set that's an easy first IEM and hard to fault on sound for the money. The clear caveat is the price itself: the jump from the $35 original to ~$49–50 moves it into a crowded, competitive bracket, so it reads as a safe, sensible pick rather than the obvious steal the first Cadenza was — and a couple of reviewers note it's a different tuning more than a technical leap over its siblings.
“It's an affordable IEM done right—no gimmicks, just honest sound quality at an honest price.”
The Metalverse
“At $50, there's very little to complain about. It's a great entry into the hobby.”
higherdotedu, r/iems
“It's sad that the Cadenza 2 is now $50 and not $35 like the original.”
colinhui, r/iems
