Binary Dynaquattro VS Apevoix Grit

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Binary Dynaquattro comes out swinging with a wild driver setup: three active dynamic drivers of different sizes plus a passive radiator. The result is bass that doesn’t just thump—it quakes. Think ~19 dB of lift and subsonic roll that feels like distant construction equipment or Godzilla pacing outside, yet the rest of the tuning stays aggressively smooth and listenable. There’s a hint of wide soundstage on the right tracks, decent comfort, pretty shells (though the translucent plastic shows ear oils), and a surprisingly nice kit at around $270, including a rugged, locking, nearly waterproof-style case.

Make no mistake: this is a basshead experience set to “movie theater sub-10 Hz demo,” more sub-bass than most IEMs dare. It doesn’t chase micro-detail or razor dynamics, and the treble stays polite rather than sparkly—but for those craving seismic low end without trashing everything else, it hits the sweet spot. Call it a one-trick Clydesdale that pulls the biggest, dumbest, most fun bass wagon—and that’s exactly the charm. Verdict: a solid 9/10 for anyone who wants the next step up in tactile low-end thrills without blowing the budget.

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Binary Dynaquattro comes dressed to impress: a larger, comfy shell that sits better than it looks, though seating can be a touch finicky. Accessories feel thoughtfully chosen—a Pelican-style case, usable tips, and a standout cable with a screw-lock modular plug (ships with 4.4 mm) and a handsome gunmetal vibe; the chin slider actually works and handling is supple with a slight rubbery grip. Build notes versus peers: it’s notably bigger than Gizaudio Chopin (flat 2-pin vs. Chopin’s recessed) and a bit larger than AFUL Magic One, but overall comfort remains solid.

The tuning aims dead at a preferred target: rich, deep sub-bass with restrained mid-bass for a clean foundation, energetic mids, and a deliberate 4–6 kHz dip to keep fatigue low; air is “good for the price,” with upper-treble sparkle the only wish-list item. Technicals read 9.5/10 bass, 9.5/10 mids, highs a notch behind, plus nice imaging, pleasing note weight, and a natural stage/resolution balance. Versus the field: deeper, higher-quality bass than Chopin; competes surprisingly well with the pricier Thieaudio Oracle MK3; more engaging than the neutral-leaning Moondrop x Crinacle Dusk; preferred over Project M thanks to truer target adherence; trades blows with Dunu Da Vinci (Da Vinci = a touch more upper air; Dynaquattro = better bass/mids). Close kinship with Juzear 61T (choose Dynaquattro for richer bass, 61T for a more inoffensive, cheaper take), and consider Letshuoer Cadenza 4 if similar mids with less bass is the brief.

In practice this is a fun, fatigue-lite, bass-quality-first all-rounder with tuning doing the heavy lifting—“tuning trumps technicality” in the best way. The package, from the utilitarian accessories to the modular cable, matches the sonic story: high value, target-true, and easy to recommend for music and gaming (9/10). Call it a five-star pick and a “100-point overall” vibe for listeners who want clean sub-bass authority, lively mids, and a relaxed upper-mid/low-treble that invites longer sessions without dulling the experience.

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The Apevoix Grit presents a $200 tribrid recipe (1DD + 4BA + bone conduction) inside a semi-smoked carbon-fiber shell and leans toward a safe, neutral-ish balance. Sub-bass is trimmed, mid-bass gets a light lift, and the curve sits a touch under a Harman-like rise, keeping brightness in check. As a package it sounds nice and enjoyable, knocking on the door of the competitive $200 hybrid pack without chasing maximum sparkle or air.

The bone conduction implementation is subtle on this tuning; with four armatures already filling the mids, its effect tends to blend rather than spotlight vocals. At higher volumes the BC contribution can step out and timbre becomes less natural, and insertion can bring minor pressure build-up and the usual BC oddities when tapping the shell. Kept at moderate levels, the presentation stays coherent and smoother.

Bass is quick and tidy, prioritizing cleanliness over slam, which suits the Grit's vocal emphasis. Midrange shows thoughtful finesse: slight mid-bass body for males, a restrained climb into ear-gain, and energy placed before and after to avoid shout. Treble dips around ~5 kHz and rolls earlier up top, keeping most cymbal glare below the vocals; this favors treble-sensitive listeners but trades away air and micro-detail. Stage does not feel small, yet projection is modest for the class, reinforcing the verdict: a tastefully tuned vocal hybrid that values comfort over raw technical fireworks.