CCA HYDRO and 7th Acoustics Proxima use 2DD+8BA and 1BA driver setups respectively. CCA HYDRO costs $120 while 7th Acoustics Proxima costs $100. CCA HYDRO is $20 more expensive. CCA HYDRO holds a decisive 1.9-point edge in reviewer scores (7.3 vs 5.5). 7th Acoustics Proxima has slightly better mids with a 0.3-point edge, 7th Acoustics Proxima has significantly better treble with a 1-point edge, CCA HYDRO has significantly better dynamics with a 3-point edge and 7th Acoustics Proxima has significantly better soundstage with a 1-point edge.
Insights
| Metric | CCA HYDRO | 7th Acoustics Proxima |
|---|---|---|
| Bass | 7.3 | 4 |
| Mids | 6 | 6.3 |
| Treble | 5 | 6 |
| Details | 7.3 | 5.5 |
| Soundstage | 6 | 7 |
| Imaging | 7.3 | 5.8 |
| Dynamics | 7 | 4 |
| Tonality | 6.8 | 4.9 |
| Technicalities | 6.3 | 6.4 |
CCA HYDRO Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.3Generally Favorable
7th Acoustics Proxima Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
5.5Mixed to 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
7th Acoustics Proxima (more reviews)
7th Acoustics Proxima reviewed by Shuwa-T
7th Acoustics Proxima reviewed by Super* Review
7th Acoustics Proxima reviewed by Tim Tuned
Tim Tuned Youtube Channel
7th Acoustics Proxima reviewed by Precogvision
Precogvision 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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7th Acoustics Proxima Details
Driver Configuration: 1BA
Tuning Type: Neutral
Price (Msrp): $100
Support our free service! Buying through our affiliate links costs you nothing extra:
CCA HYDRO User Review Score
Average User Scores
Average User Score: n/a
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7th Acoustics Proxima User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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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
B7th Acoustics Proxima Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6Gaming Grade
BCCA 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.
7th Acoustics Proxima Scorings
Average Technical & Tuning Grades
Average Tunign Grade
C- Uneven emphasis across the spectrum keeps the presentation unsettled and awkward. Acoustic instruments lose their natural body.
Average Technical Grade
B- An honest, middle-of-the-road performance preserves structure without chasing micro-detail. It's respectable for everyday listening sessions.
CCA HYDRO User Reviews
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