CCA HYDRO and HZSound Luna use 2DD+8BA and 1x Planar (13mm Dual Coil, Dual Magnet) driver setups respectively. CCA HYDRO costs $120 while HZSound Luna costs $110. CCA HYDRO is $10 more expensive. CCA HYDRO holds a decisive 5.3-point edge in reviewer scores (7.3 vs 2).
Insights
Metric | CCA HYDRO | HZSound Luna |
---|---|---|
Mids | 6 | 2 |
Treble | 5 | 2 |
Soundstage | 6 | 2 |
Dynamics | 7 | 2 |
Tonality | 6.8 | 2 |
Technicalities | 6.3 | 2 |
CCA HYDRO Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.3Generally Favorable
HZSound Luna Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
2Very Negative
Reviews Comparison
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
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CCA HYDRO reviewed by Jays Audio
Jays Audio Youtube Channel
CCA HYDRO reviewed by Head-Fi.org
HZSound Luna (more reviews)
HZSound Luna reviewed by Audio Amigo
Audio Amigo Youtube Channel
CCA HYDRO Details
Driver Configuration: 2DD+8BA
Tuning Type: V-Shaped
Brand: CCA Top CCA IEMs
Price (Msrp): $120
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HZSound Luna Details
Driver Configuration: 1x Planar (13mm Dual Coil, Dual Magnet)
Tuning Type: n/a
Price (Msrp): $110
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CCA HYDRO User Review Score
Average User Scores
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HZSound Luna User Review Score
Average User Scores
Average User Score: n/a
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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
BHZSound Luna Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
2Gaming Grade
E+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.
HZSound Luna Scorings
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