Tanchjim Origin VS TANCHJIM x Effect Audio Force

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Tanchjim Origin gets the “Legendary” treatment for good reason: it’s a clarity-first single-DD that puts finesse over flash. The full-metal shells feel premium but can be slippery and a bit tricky to seat; expect some tip-rolling. Build notes include a semi-recessed 2-pin, a well-cut nozzle, and finish wear that can show with time—ergonomics are fine, just not as contoured as newer designs.

Tuning skews neutral and mid-focused: bass is clean with a light, non-exaggerated thump and controlled mid-bass, so no boom. The midrange is the star, while the treble brings smooth extension and a surprisingly refined sparkle. Technicals impress—pristine resolution, tidy separation, and standout imaging—but there’s no “thunder” down low; some listeners may notice a touch of brightness in the mid-treble. Swappable filters exist, yet their effect is subtle.

Reception has been bullish: Zeos called it obsessively neutral and nearly perfect; Timmy praised it as one of the year’s best with lovely, smooth treble; Super* Review rates it among the better sets under ~$260 while preferring the Chopin. In today’s field—with value picks like Tanchjim Bunny (to sample the signature cheaply) and modern darlings like Softears Volume S—Origin still stands as a refined, resolving choice under $300. Verdict: an A+ recommendation for listeners chasing cleanliness, mids, and imaging; bassheads should look elsewhere.

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Tanchjim Origin shows up with grown-up design, a slick logo, and a surprisingly nice stock cable—though it’s only 3.5 mm. Under the hood: a single dynamic driver and interchangeable nozzles. The “Dynamic” nozzle thickens the bass into a chewy, fun thump; the “Light” nozzle unlocks the magic—shockingly clean, near-neutral tuning with a tight low end. Tip rolling pays off (foam-filled silicone adds a touch of seal and snap), and the shells feel like proper adult jewelry. The carry case is comically huge, and the 2-pin posts are long, but build is otherwise dialed.

Sonically, Origin hits that “how is this this clean?” tier: vocals are dead-on, the treble stays smooth without bite, and the low end sits ~a hair north of flat for just the right weight. Staging isn’t stadium-wide—image arcs just behind the eyes—but layering, punch, and overall polish scream high-end without needing a mega amp. Swap to the Light nozzle, get a good seal, and it’s a full send: one of the best-sounding single-DD sets in this bracket, the kind that could still be recommended even at a higher tag. Call it a 9/10—dock a point for the non-modular cable and oversized case—but the tuning and refinement are spectacular for the price.

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The TANCHJIM Force goes for a “vented open-back” vibe—don’t expect true openness, but those rear vents give the presentation extra air and size. Inside are dual dynamics: a 10 mm PU-suspended titanium driver for low end and an 8.2 mm PU-suspended beryllium-coated unit for mids/treble, blending so cleanly it feels like one big, exquisitely tuned DD. Stage is wide with a clear sense of distance between singers and instruments; bass is deep, textured, and superbly integrated, with zero awkward crossover tells. Tip-rolling matters (silicone tightened things up more than foam), and source pairing shows typical dynamic-driver scaling—push it and it rewards.

Build and kit are peak Tanchjim: a light, clear shell showcasing the drivers, a huge but rigid case, two sets of silicone tips, and even a bundled USB dongle for plug-and-play. The Effect Audio co-designed cable is a pleasant surprise—properly sized, not a garden hose, with interchangeable right-angle plugs and neat touches like matching mesh and an angled slider. Sonically it’s the “big-stage + big-bass” experience done right—energetic, cohesive, and a little addictive. Priced around $279, the package feels worth ≈$320 on sound and accessories alone, making this an easy, emphatic YES for anyone chasing a lively, spacious DD signature without BA weirdness.

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The Tanchjim x Effect Audio Force is a dual dynamic, semi–open-back IEM around $280 that leans decisively mid-centric. Accessories are standout: a hard leather case, two silicone tip sets (wide/narrow bore), and a genuinely nice Effect Audio modular cable with 3.5 / 4.4 / USB-C terminations. Build mixes a CNC-milled aluminum faceplate with a 3D-printed resin shell; isolation proves surprisingly solid despite the vents. Fit seals well but sits a bit tall, preventing a very deep insertion. Sonically, bass is light to moderate—clean but short on slam and sub-bass rumble—while upper mids push forward, putting vocals front and center and occasionally edging into “too clean” territory at volume. Treble is smooth, extended, and airy, staying safe in the lower treble while adding breathable sparkle up top.

Technicalities read as clean, resolving, and especially articulate through the mids. The USB-C plug unlocks the Tanchjim app with multiple profiles plus a 5-band parametric EQ that saves directly to the dongle—great for tailoring the bass and easing the upper-mid bite. Versus Truth Ear Nova, Nova digs deeper in bass and runs closer to a Harman-style balance; compared to Tanchjim Fission (and Origin), the single-DD options sound fuller, more natural, with better timbre and separation, and a more comfortable fit. Hybrid alternatives like AFUL Performer 7 and ZiiGaat Odyssey bring punchier low-end and relaxed upper mids for a more fun tilt. Recommended for listeners who want clean, vocal-forward tuning, lighter bass, and the flexibility of a premium modular cable plus on-dongle EQ; not ideal for those sensitive to upper-mid energy or craving a warmer, weightier mid-bass foundation.

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Origin aims to update the classic Oxygen recipe with a mid-bass lift and a long bass arc, but the execution pushes the upper mids (3–5 kHz) too high and adds an oversized air/upper-treble shelf. The net effect is a neutral-bright balance where mids lose weight and naturalness, while the supposed sub-bass roll-off is mostly a masking effect from the hot top end.

The bass arc itself is solid, yet it stays masked unless another 1–2 dB is added around ~50 Hz; vocals come across lighter and faster rather than organic, and the extra air sounds more like artificial sheen than true resolution. With so much top-end energy, the stage flattens into the head and becomes fatiguing at moderate volume, undermining the otherwise capable driver and leaving little genre flexibility compared with Oxygen.

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Tanchjim Force packages dual dynamic drivers (10 mm titanium-dome + 8.2 mm beryllium-dome) behind an open-back style shell and a modular Effect Audio cable with DSP support and a microphone. The stock analog tuning reads as a modern neutral-bright: a leaner bass shelf from a dipped mid-bass, a single-peak ear-gain region for vocal energy, and a fast upper roll-off to tame fatigue. The second DD carries real treble extension and clarity, giving a hybrid-like presentation with cleaner separation and a slightly thinner note weight in the mids.

As a package it is engaging but also conflicted. The analog cable sounds clean yet a bit lean, while most DSP presets push sub-bass and blunt the clarity that makes Force special; the result feels more like a do-it-yourself EQ project than one polished voice. Stage size benefits from the semi-open design and extended top end, and detail retrieval is strong, but at $280 there should be a clear default that clicks out of the box. Force shows the right ideas, just without the focused, finished tuning that would fully exploit the excellent drivers and cable.

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Tanchjim Origin targets a balanced and clean tuning with a sprinkle of mid-bass. Dynamics come across smooth like the EA500LM but a touch cleaner; low-end is punchy, textured, and well separated, just not as tactile in attack as EA1000. The spotlight is vocals: female voices sound sweet, open, and extended without thinness or shout, though there’s less chest depth and a desire for a bit more sparkle. Stage feels tidy rather than expansive—EA1000 projects a more open headspace—so the Origin reads as “very correct,” not showy.

Treble is smooth, clean, and well-extended with no harshness; not Helios-level airy, but enough. Resolution sits close to EA500LM, while EA1000 delivers sharper transients and a slightly more resolving edge. Character map: Origin = balanced/clean, EA1000 = slightly bright/sparkly, EA500LM = warmest/bassiest. All three are mid-volume listens stock. With mods, EA1000 proves the most flexible and gains that engaging “special sauce” with more tactile bass and vocal energy; Origin is easier to dull or darken; LM can tip into too much bass with added damping.

In today’s market the Origin sits in a tough spot: EA1000 beats it on price, engagement, and mod scaling, while EA500LM undercuts it with better bass texture and value. With contenders like Nova, Chopin, Quintet, and Hype 2 swirling around, Origin makes the most sense if a balanced, smooth single-DD is wanted without a mid-bass scoop. The extra nozzles don’t meaningfully change things, and a price near $150 would feel far more justified. Otherwise, waiting for the next wave may be the smarter play.