Letshuoer Cadenza 12 and Ice Lab Spectrumica are in-ear monitors. Letshuoer Cadenza 12 costs $2,299 while Ice Lab Spectrumica costs $2,000. Letshuoer Cadenza 12 is $299 more expensive. Letshuoer Cadenza 12 holds a clear 0.7-point edge in reviewer scores (8.3 vs 7.6). Letshuoer Cadenza 12 has significantly better mids with a 1.3-point edge, Ice Lab Spectrumica has better treble with a 0.6-point edge and Letshuoer Cadenza 12 has better soundstage with a 0.5-point edge.
Insights
Metric | Letshuoer Cadenza 12 | Ice Lab Spectrumica |
---|---|---|
Bass | 7.5 | 7.6 |
Mids | 7.3 | 6 |
Treble | 7.4 | 8 |
Details | 7.3 | 7.6 |
Soundstage | 9 | 8.5 |
Imaging | 7.8 | 7.6 |
Dynamics | 7 | 7 |
Tonality | 7.9 | 7.4 |
Technicalities | 8.4 | 8 |
Letshuoer Cadenza 12 Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.3Very Positive
Ice Lab Spectrumica Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.6Strongly Favorable
Reviews Comparison
Letshuoer Cadenza 12 reviewed by Jaytiss
Youtube Video Summary
The 2024 Cadenza 12 makes a strong first impression with premium presentation, though the accessories aren’t flawless. The stock cable looks gorgeous and offers swappable terminations (4.4 / 3.5 / 2.5), but it’s stiff and tricky to coil into the compact case. The metal shell is well-contoured and comfortable with a sensible nozzle lip, yet certain tips can pop off too easily. Overall build feels upscale and weighty without being cumbersome—just expect some practical quirks.
Tonally it sits neutral with a gentle bass lift: clean sub-bass presence without thunder, crisp highs with smooth extension, and a relaxed upper-mid energy that keeps fatigue low. Resolution and imaging are technically adept, but the tuning plays things safe—polished and airy rather than punchy or electrifying. On graphs and by ear it evokes classic “reference” curves (think early Monarch-style balance), trading visceral slam for control and clarity; many audiophiles will find it classy and coherent, while thrill-seekers may wish for more bite.
Against peers, it recalls sets that graph beautifully yet feel a touch reserved in the bass and presence regions. Comparisons to options like Europa highlight how a bit more sub-bass and 4–6 kHz zest can add sparkle and engagement; a light EQ lift to bass and upper mids wakes the Cadenza 12 up nicely. As delivered, it’s a refined, wide, and airy listen that prioritizes neutrality and detail over spectacle—recommended for listeners chasing a mature, low-fatigue signature rather than a high-octane ride.
Jaytiss Youtube Channel
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Ice Lab Spectrumica reviewed by Jaytiss
2025-10-17Jaytiss Youtube Channel
Letshuoer Cadenza 12 reviewed by Head-Fi.org
Ice Lab Spectrumica reviewed by Head-Fi.org
Letshuoer Cadenza 12 (more reviews)
Letshuoer Cadenza 12 reviewed by Jays Audio
Jays Audio Youtube Channel
Letshuoer Cadenza 12 reviewed by Z-Reviews
Youtube Video Summary
Letshuoer Cadenza 12 goes full flagship spectacle: a 12-driver per side build (1 dynamic + 11 BA from Knowles/Sonion), six-way crossover, and heavy metal shells that feel like a prize out of a treasure chest. The unboxing is decadent—fabric-wrapped stock cable with interchangeable plugs, a big faux-leather case, tip sets (foam, Symbio, Xelastec-style), and even a quirky bulldog stand. Fit can be finicky, tip choice matters, and the shells beg for constant polishing; once seated, isolation and comfort are solid.
Sonically, this set is hyper-analytical yet immersive. It “3D-prints” instruments in space, letting a gentle kick drum’s air, pedal thumps on a piano, and micro-dynamics pop with almost studio-monitor precision. Detail retrieval is wild and imaging is pinpoint; mixes get deconstructed so clearly it’s easy to tell what’s acoustic, what’s processed, and where DSP tricks are hiding. The catch: it’s extremely chain-sensitive. Use the stock cable (impedance clearly matters), prefer single-ended over balanced on many amps, and pair with a clean, muscular amplifier—get the combo wrong and mids can go dull or staging collapses; get it right and it’s pure fireworks.
Verdict: an elite, picky flagship that demands careful setup but rewards with one of the most dissecting, vividly placed presentations available in IEMs. Not the most “natural” tuning on earth and far from cheap, yet when everything clicks, the Cadenza 12 delivers a peak listening experience that can ruin lesser gear for good.
Z-Reviews Youtube Channel
Letshuoer Cadenza 12 reviewed by Yifang
Yifang Youtube Channel
Letshuoer Cadenza 12 reviewed by Smirk Audio
Letshuoer Cadenza 12 reviewed by Tim Tuned
Tim Tuned Youtube Channel
Letshuoer Cadenza 12 reviewed by Precogvision
Precogvision Youtube Channel
Letshuoer Cadenza 12 reviewed by Web Search

The Letshuoer Cadenza 12 delivers a balanced sound signature with a slight warmth in the low end, providing clean and textured bass that avoids overwhelming the midrange. Its midrange presentation is natural and resolving, though some listeners noted a recession around 1-2kHz that could thin male vocals slightly, while the treble offers good extension but exhibits a noticeable peak around 10kHz that occasionally introduces harshness or an "echo" effect on certain instruments . Technical performance is a strength, with precise pinpoint imaging and an expansive, holographic soundstage that excels in complex orchestral passages, though some critics felt its resolution doesn’t fully justify the price against established flagships .
Comfort is generally strong due to the surprisingly lightweight titanium shells and ergonomic shape, allowing for extended listening sessions despite their size, though some users reported eventual ear fatigue . The mirror-finish shells attract fingerprints and scratches easily, and the included hybrid cable, while versatile with modular terminations, is often criticized for its stiffness and unwieldy handling . While the packaging and accessories—including a functional leather case and customizable ear tips—are premium, the overall value proposition is debated, particularly when comparing its technical performance to competitors near its $2,300 price .
Ice Lab Spectrumica (more reviews)
Ice Lab Spectrumica reviewed by Super* Review
Youtube Video Summary
The Ice Lab Spectrumica targets the “why spend $2,000” question with a mix of story and sound: ornate yet understated aluminum shells, a substantial but usable cable with 4.4 mm termination, and a stuffed accessory kit (tips in three styles, metal case, cleaning tools, even a metal warranty card). It’s a quad-brid build—4 BA + 2 EST + 1 DD + 1 bone conduction—that wears lighter than it looks and fits securely thanks to a short, ~6.4 mm nozzle and modest semi-custom shaping. Ergonomics aren’t flawless (the chunky Y-split and loose chin slider), but overall presentation feels premium and purposefully different.
Sonically, Spectrumica goes esoteric: a very warm, bass-forward balance with recessed vocals and treble that reads a touch dark yet extends cleanly for a gentle sparkle. The heavy low end creates a big, sometimes diffuse headstage—that “concert-hall” vibe—delivering weight and ambience more than taut impact; attack definition on kick and bass notes is softer. Detail focus leans macro over micro, so microcontrast and vocal clarity can slip on busy mixes, even as the treble avoids harshness.
Against peers, Moondrop Solis 2 sounds more neutral with tighter bass but lacks the immediate wow factor (and its comfort quirks don’t help), while 64 Audio Volür brings a more assertive V-shape with crisper, more tactile lows but less of Spectrumica’s enveloping stage. Spectrumica ultimately feels like a deliberate one-trick specialist—a unique, lush presentation backed by standout build and accessories. For listeners chasing that warm, cinematic, laid-back signature, it’s compelling; for neutral and vocal-centric tastes, less so. Final verdict: 3 stars—pricey, distinctive, and memorable, with clear trade-offs.
Super* Review original ranking
Super* Review Youtube ChannelLetshuoer Cadenza 12 Details
Driver Configuration: 1DD+11BA
Tuning Type: Neutral, Bright
Brand: Letshuoer Top Letshuoer IEMs
Price (Msrp): $2,299
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Ice Lab Spectrumica Details
Driver Configuration:
Tuning Type: Warm
Price (Msrp): $2,000
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Letshuoer Cadenza 12 User Review Score
Average User Scores
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Ice Lab Spectrumica User Review Score
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Letshuoer Cadenza 12 Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.8Gaming Grade
B+Ice Lab Spectrumica Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.3Gaming Grade
BLetshuoer Cadenza 12 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Overall balance feels confident and refined, rewarding long listening sessions. A reliable all-rounder for everyday listening.
Average Technical Grade
A+- A very capable technical display delivers articulate layers and poised imaging. It portrays reverbs and echoes with confidence.
Ice Lab Spectrumica Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A-- Tuning lands in a pleasing sweet spot with mostly coherent frequency integration. Tonality stays consistent from track to track.
Average Technical Grade
A+- The tuning feels expertly organized, marrying agile dynamics with well-defined spatial cues. Technical listeners will appreciate the poise.
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