64 Audio Volur VS Ice Lab Spectrumica

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64 Audio’s Volür brings a bold, U-shaped tuning powered by a 10-driver array (8 BA + 2 DD in an isobaric setup) at a premium $2,500 price. The headline is the bass: a meaty, wallopy low end with unusually tight, textured attack that hits hard yet stays controlled, preserving clarity through the mids. Upper mids sit a touch relaxed, while an upper-treble zing adds bite, separation, and a roomy stage. 64 Audio’s APEX modules (M10/M12/M15/M20) primarily shift bass quantity; counterintuitively, the set shines most with the M20, where elevated bass balances the treble sparkle.

Build and ergonomics mirror recent 64 Audio releases: medium-sized shells with a slightly long nozzle (comfortable overall but fit stability can be just okay), plus a decent if slightly kinky stock cable. Technically, imaging, separation, and stage feel contrast-rich and more convincing than many peers. Tone preferences will matter: reduce the bass with lighter modules and the treble can dominate; leave the bass up and the presentation becomes satisfyingly muscular without smearing. As a proposition, Volür suits bass enthusiasts who want quantity and quality in tandem, earning a solid 4/5 for delivering big low-end thrills with high-end technical finesse.

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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.

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64 Audio Volür comes across as a tour-de-force of bass tech: dual true isobaric dynamic drivers deliver deep, textured rumble with a “speaker-in-the-room” feel, while the Tia BA adds pronounced upper-treble energy. Ergonomics are excellent—compact metal shells, smooth nozzles that take tips well, and a best-in-class top two-pin connection that makes cable swaps effortless. Build feels built-to-last and the purple faceplate looks classy, though a more varied aesthetic across 64 Audio’s lineup would be welcome.

The APEX modules change flavor more than fundamentals: M20 adds a touch more bass, M15 strikes the best balance, M12 runs leaner, and MX is very flat and generally skippable; running it empty is a hard no. On music, Volür shines with EDM/modern productions, projecting holographic low-end and vivid dynamics; in dense mixes with strong instrumentals and vocals, the midrange can feel overrun and less engaging. Versus peers: U4s tracks similarly in bass level (with different modules), Elysian Annihilator brings stronger 3 kHz vocal presence while Volür counters with superior bass texture, and Monarch MKIII sounds more overtly U-shaped with greater mid/upper energy.

As a package, this is a fantastic IEM—arguably a favorite from 64 Audio—yet not flawless. The price is steep, the APEX ecosystem feels like paid tuning switches, and there’s some treble peaking plus occasional vocal thinness; a simpler, cheaper, M12-style fixed tuning would be a dream. For listeners prioritizing hip-hop, rap, and modern genres, Volür can absolutely be endgame; for vocal-centric or classical libraries, it’s impressive but not definitive. Overall verdict: a five-star recommendation for those who can afford it, anchored by class-leading bass and exceptional build, with clear trade-offs noted.

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The Ice Lab Spectrumica is a nine-driver hybrid with dynamic bass, ESTs, and a bone-conduction driver, priced around $2,100. Build is exceedingly premium: a semi-custom, well-contoured shell with vents and an anti-tragus wing, a tidy flat 2-pin socket for easy cable swaps, and a straight-behaving stock cable terminated in 4.4 mm. The metallic puck case looks neat—nothing wild, but solid. Fit is comfortable if a touch large, and the faceplate has real visual flair.

Tonally this comes across as a colored, high-energy listen: sizzly cymbals, crisp treble with plenty of air and extension, and impactful mid-bass that favors warmth over subterranean rumble—there’s less sub-bass slam than expected at the price. Vocals sit a bit soft and recessed, while staging spreads wide with good clarity. Graphs reflect a noticeable lower-mid/mid-bass rise that can read as slightly muddy depending on taste; still, treble quality and spatial rendering are genuine highlights.

Against peers, Spectrumica feels “good but not greatest.” It’s cleaner and airier than the Prismatica (which skews muddier), yet the Glacier makes a stronger case overall; sets like Symphonium Giant deliver a fun boom-tilted flavor with similar trade-offs. For alternative value and balance, AFUL Dawn-X around $1,300 is a compelling pick. Call the bass a solid 8, with treble and soundstage being the stars. Overall: a beautifully built, distinctive tuning that earns a cautious recommendation at its price—absolutely worth a demo for listeners who crave sparkle, space, and a warmer mid-bass tilt, even if it won’t be the universal endgame.