CCA HYDRO VS Etymotic ER3XR

IEM Comparison: Expert & Community Scores Side-by-Side

Home Ranking Compare IEMs

CCA HYDRO and Etymotic ER3XR use 2DD+8BA and 1BA driver setups respectively. CCA HYDRO costs $120 while Etymotic ER3XR costs $150. Etymotic ER3XR is $30 more expensive. CCA HYDRO holds a decisive 2.8-point edge in reviewer scores (7.3 vs 4.5). Etymotic ER3XR has significantly better mids with a 1-point edge and CCA HYDRO has significantly better dynamics with a 3-point edge.

Insights

Metric CCA HYDRO Etymotic ER3XR
Bass 7.3 5
Mids 6 7
Treble 5 5
Details 7.3 5
Soundstage 6 4.5
Imaging 7.3 3
Dynamics 7 4
Tonality 6.8 5.7
Technicalities 6.3 4
Take these comparisons with a grain of salt—we don't have enough CCA HYDRO and Etymotic ER3XR reviews saved yet to provide an unbiased result.

CCA HYDRO Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

7.3

Generally Favorable


Etymotic ER3XR Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

4.5

Generally Unfavorable


Reviews Comparison

CCA HYDRO (more reviews)

CCA HYDRO reviewed by Jaytiss

Jaytiss 7 Reviewer Score
B Tuning
C+ Tech
When this hits it's very fun. Insane value.
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.

Mids: B Treble: C+ Dynamics: A- Soundstage: B

Jaytiss original ranking

Jaytiss Youtube Channel
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CCA HYDRO reviewed by Jays Audio

Jays Audio 6.5 Reviewer Score
A Tuning
A Tech
The best KZ so far, tuning swithces allow lots of options. Good tech, all-rounder sound with bass boost, but, KZ.

Jays Audio original ranking

Jays Audio Youtube Channel

CCA HYDRO reviewed by Head-Fi.org

Head-Fi.org 8.5 * score rescaled + normalized
2 community members have rated the CCA Hydro at an average of 4.5/5 on Head-Fi. Overall sentiment: Outstanding.

URL to full Review

Head-Fi.org original ranking

Etymotic ER3XR (more reviews)

Etymotic ER3XR reviewed by Precogvision

Precogvision 4.5 Reviewer Score
B- Tuning
C- Tech
A darker ER2XR with worse imaging and dynamics.

Precogvision original ranking

Precogvision Youtube Channel
Bass: C+ Mids: A- Treble: C+ Dynamics: C- Details: C+ Imaging: D

CCA HYDRO User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Etymotic ER3XR User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

No user reviews yet. Be the first one who writes a review!

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

6.4

Gaming Grade

B

Etymotic ER3XR Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

4.5

Gaming Grade

C

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.
Mids B
Midrange presence is good, delivering clear vocals and solid texture. Voices come through with pleasing clarity.
Treble C+
Treble is decent, offering acceptable extension without harshness. It balances presence with a touch of restraint.
Dynamics A-
Dynamic performance is excellent, combining sharp transients with strong contrast. Transients snap with authority.
Soundstage B
The presentation supplies a believable venue outline where each instrument owns its pocket of space. The stage opens up nicely for live cuts.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues.

Etymotic ER3XR Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B-
  • The tuning leans easygoing, yet occasional unevenness nudges it away from greatness. A bit of EQ polish can smooth things nicely.

Average Technical Grade

C-
  • Details smear quickly, leaving the presentation cramped and low on definition. You'll notice smearing on even moderately layered songs.
Bass C+
Low-end delivery feels competent yet unremarkable, keeping a safe profile. Low-end bloom is kept in check.
Mids A-
The mids sound lush and articulate, capturing emotion effortlessly. Strings and keys shimmer with realism.
Treble C+
Highs come through with reasonable clarity while staying mostly smooth. Sibilance is mostly controlled.
Dynamics C-
Volume swings are adequate, though they rarely feel dramatic. It won't offend, yet it won't thrill.
Details C+
The mix feels articulate, yet the tiniest ripples don't always sparkle. Background ambience is reasonably clear.
Imaging D
Modest imaging with basic left/right positioning that never quite nails the center image. Left/right cues exist but are rough.
Gaming C
Minimal environmental definition provides only general audio cues. Suitable for games where positioning isn't critical.

CCA HYDRO User Reviews

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Etymotic ER3XR User Reviews

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