CCA HYDRO and Tanchjim NORA use 2DD+8BA and 1DD driver setups respectively. CCA HYDRO costs $120 while Tanchjim NORA costs $110. CCA HYDRO is $10 more expensive. CCA HYDRO holds a slight 0.3-point edge in reviewer scores (7.3 vs 7.1). Tanchjim NORA has better mids with a 0.9-point edge, Tanchjim NORA has significantly better treble with a 1.6-point edge and Tanchjim NORA has better soundstage with a 0.8-point edge.
Insights
| Metric | CCA HYDRO | Tanchjim NORA |
|---|---|---|
| Bass | 7.3 | 6.3 |
| Mids | 6 | 6.9 |
| Treble | 5 | 6.6 |
| Details | 7.3 | 6.7 |
| Soundstage | 6 | 6.8 |
| Imaging | 7.3 | 6.7 |
| Dynamics | 7 | 7.1 |
| Tonality | 6.8 | 7.2 |
| Technicalities | 6.3 | 6.6 |
CCA HYDRO Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.3Generally Favorable
Tanchjim NORA Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.1Generally Favorable
Reviews Comparison
CCA HYDRO reviewed by Head-Fi.org
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Tanchjim NORA reviewed by Head-Fi.org
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Price: $109
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CCA HYDRO (more reviews)
CCA HYDRO reviewed by Jaytiss
Youtube Video Summary
Build & fit hit above the price: a sleek, glossy shell that’s a bit of a fingerprint magnet but sits securely with a small nozzle and generally comfy ergonomics; only the backside contour may trip up a few ears. The stock QDC-style cable feels plush and durable—decidedly “world-class” at this tier. No case in the box, but that’s a minor nit when the overall presentation feels A1.
On the rig, the Hydro shows tight channel matching and a versatile tuning via dip switches. The curve echoes heavy-hitters—think a tasteful 2.5–3 kHz rise, a dip after, and robust sub-bass with real treble extension. Comparisons point toward Monarch/Annihilator territory for tonality cues, while still keeping its own flavor: weighty bass and sparkling air without mid-bass bloat. The result is genre-agnostic confidence—female/male vocals, instrumentals, metal, R&B, gaming, even movies—all come through clean, lively, and engaging.
The “problem”? Not the sound—sonically it’s a standout—but the brand baggage some attach to KZ/CCA. Set that aside and Hydro reads like a reckless trend-setter: a double-DD + 8BA hybrid that punches way up, credibly sparring with sets in the $500–$600 bracket while costing far less. With its fit, tuning, and value—plus that excellent cable—this is an easy recommendation for anyone chasing a musical, detailed, and switchable all-rounder.
Jaytiss Youtube Channel
CCA HYDRO reviewed by Jays Audio
Jays Audio Youtube Channel
Tanchjim NORA (more reviews)
Tanchjim NORA reviewed by Paul Wasabii
Youtube Video Summary
Nora goes back to Tanchjim’s roots: a single DMT5 DD, vented pressure relief, no switches/nozzles/DSP — just a clean execution of the house target around ~$110. The tuning leans a touch more vocal-centric than recent releases, with a slight sub-bass dip and a sharpened 3–4.5 kHz focus from the Hemholtz resonator, creating stronger contrast between bass and mids and a more U-shaped impression than the graph suggests.
Female vocals carry a crisp leading edge and cut through mixes with ease; energetic singers shine, while softer, breathier voices can come off a bit over-sharpened. The bass shelf is present yet carefully lowered to keep balance, though the transition between sub-bass and mid-bass isn’t always seamless and can make the set feel inconsistent track-to-track.
Treble is lively and extended without obvious peaks, staging is big and open, and the small, lightweight shell with the modular cable makes for easy daily use; detail retrieval and imaging are snappy enough to make gaming a surprisingly good fit. Overall, Nora prioritizes mid presence and clarity over warmth and texture, delivering a clear, vocal-forward listen that fits the brand’s DNA while staying within budget constraints.
Paul Wasabii Youtube Channel
Tanchjim NORA reviewed by Z-Reviews
Youtube Video Summary
Tanchjim NORA lands as a monitor-tuned set: a single dynamic with dual magnets aimed at mixing/mastering, not Friday-night fun. The presentation is flat, neutral, low-energy—the “plain hamburger” of IEMs—delivering the track as-is without sauce, sparkle, or party tricks. Expect honesty over hype: music quality and recording flaws show up immediately.
It’s very sensitive, revealing amp hiss on noisier chains yet taking power without complaint; bass stays dead flat and the treble avoids harshness while refusing to sweeten anything. This is a homework IEM: great for students or engineers who need a budget reference to judge balance, timbre, and mix decisions rather than to vibe out. Pleasure listening isn’t the brief; accuracy is.
Build is neat: a tiny, see-through shell with a glass back, a big nozzle for the size, and an interchangeable-termination cable (balanced or single-ended) that’ll puzzle some studio folks but proves handy. Fit can be quirky—small body/large nozzle means tip rolling, with even SS tips included for smaller ears. At around $120, it’s a respectable, purpose-built tool: boring by design, and the right kind of boring when the job is to tell the truth.
Z-Reviews Youtube Channel
Tanchjim NORA reviewed by Web Search
Tanchjim NORA aims for a monitor-leaning, balanced presentation using a single dynamic driver (1DD) built on the brand’s fifth-gen DMT5 dual-magnetic, dual-cavity architecture. Official materials describe it as their first “HiFi monitoring” tuning with a balanced sound profile, and it launches at $109.99.
Tonally, NORA reads as neutral/monitoring with a tidy low end, even mids, and clean but non-piercing treble—bass is described as smooth with decent texture and good coherency into the mids, while micro-detail is fair for the price. Separation and layering are competent, giving a clear sense of placement without exaggerating stage width.
It’s easy to drive—rated at 16 Ω with high sensitivity—so phones and basic dongles are plenty, though a clean source helps it keep that “monitor” clarity. The trade-off is that while treble is well-behaved and non-fatiguing, ultimate air and micro-nuance trail some pricier single-DD peers.
CCA HYDRO Details
Driver Configuration: 2DD+8BA
Tuning Type: V-Shaped
Brand: CCA Top CCA IEMs
Price (Msrp): $120
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Tanchjim NORA Details
Driver Configuration: 1DD
Tuning Type: Neutral
Brand: TANCHJIM Top TANCHJIM IEMs
Price (Msrp): $109.99
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CCA HYDRO User Review Score
Average User Scores
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Tanchjim NORA User Review Score
Average User Scores
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CCA HYDRO Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.4Gaming Grade
BTanchjim NORA 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+CCA HYDRO Scorings
Average Technical & Tuning Grades
Average Tunign Grade
B+- It sounds pleasant overall, with some uneven spots that hint at room for refinement. Vocals remain pleasant despite the imperfections.
Average Technical Grade
B- It offers a competent showing, maintaining cohesion on straightforward arrangements. Complex passages start to challenge it, but never derail the show.
Tanchjim NORA Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A-- A smooth, agreeable balance keeps the presentation engaging without obvious flaws. Only sensitive ears will nitpick the bumps.
Average Technical Grade
B+- An honest, middle-of-the-road performance preserves structure without chasing micro-detail. It's respectable for everyday listening sessions.
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