Tri i3 Mk3 VS Hidizs MP145

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The TRI i3 Mk3 brings a tribrid setup (1DD + 1BA + 1 planar) to the ~$120 bracket with a package that overdelivers: multiple tip sets including TRI Clarion and foam, a cleaning brush, microfiber cloth, and a pocketable leather case. The minimalist purple metal shell is sturdy, while comfort depends heavily on tip choice; shorter, softer tips sit more securely. The stock cable is a bit thick/heavy but tidy, with 2-pin connectors and 4.4 mm termination. On the graph it reads as a vocal-forward neutral: some sub-bass, light mid-bass, an early upper-mid rise, and smooth treble with a touch of air.

In practice the bass is textured and sub-bass focused; the leaner mid-bass keeps things clean but makes bass guitars more relaxed and kick drums less punchy (an impedance adapter can add weight). The mids steal the show—vocals pop with clarity and presence; female vocals in particular compete with standouts like Moondrop Kato and Truthear Hexa, while male vocals avoid thinness. Treble is smooth/safe with modest extension; the planar unit contributes air up high (~16k) for microdetail. Technicals and imaging suit gaming (footsteps are easy to track), earning a two-controller nod; just dial in comfort with the right tips. Overall, a neutral, vocal-centric IEM with smooth treble and tidy bass; the trade-offs are slightly forward vocals and limited mid-bass, but for vocal lovers at this price it’s an easy two-star recommendation.

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Build and accessories are a highlight: a metallic purple shell that’s exceedingly smooth, easy to grip, and vents well in-ear. The fit is secure, tips stay put on the metal nozzle/filter, and the flat 2-pin connector feels robust. The case isn’t flashy but feels nice—leather outside, felt inside, magnetic closure—and the package includes a decent cable, tips, and a cleaning brush. Overall, it’s a well-finished hybrid (dynamic + planar + BA) that feels thoughtfully put together.

Tonally this is a bass-light, mid-centric set with a neutral-shimmery tilt: not much warmth, tame macro-dynamics, but a wide soundstage, crisp imaging, and good detail/air. The graph hits key markers through the mids, with a gentle low-end rise and limited warmth region; upper mids are prominent and clean, while the very top end is on the lighter side. It presents a unique, very clean timbre that will appeal to listeners who prefer clarity over weight, and it also feels like a great candidate for EQ if more bass is desired.

In comparisons, those who thought the Hexa needed more bass should look elsewhere; this doesn’t fix that. Sets like Kiwi Ears 4 bring more warmth and bass but give up some 1k presence; bass-heavier competitors offer more “pop,” while warmer options (think P7-type tunings) connect better for fullness. The I3 MK3 trades off slam for clarity, staging, and upper-mid definition; fans of JM-1-style neutral targets or “treble-head” preferences may find it hits the spot. Verdict: a good (B-tier) performer with a distinct, airy character—easy to recommend if bass isn’t a priority, and worth an audition for its special timbre.