Fiio FH3 and CCA HYDRO use 1DD+2BA and 2DD+8BA driver setups respectively. Fiio FH3 costs $130 while CCA HYDRO costs $120. Fiio FH3 is $10 more expensive. CCA HYDRO holds a decisive 2.2-point edge in reviewer scores (5.2 vs 7.3). CCA HYDRO has significantly better mids with a 2-point edge, CCA HYDRO has significantly better treble with a 1.2-point edge and CCA HYDRO has significantly better soundstage with a 1-point edge.
Insights
Metric | Fiio FH3 | CCA HYDRO |
---|---|---|
Bass | 5.3 | 7.3 |
Mids | 4 | 6 |
Treble | 3.8 | 5 |
Details | 4.5 | 7.3 |
Soundstage | 5 | 6 |
Imaging | 4.8 | 7.3 |
Dynamics | 7 | 7 |
Tonality | 4.3 | 6.8 |
Technicalities | 4.3 | 6.3 |
Fiio FH3 Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
5.2Mixed to Negative
CCA HYDRO Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.3Generally Favorable
Reviews Comparison
Fiio FH3 reviewed by Jaytiss
Jaytiss Youtube Channel
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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Fiio FH3 (more reviews)
Fiio FH3 reviewed by Super* Review
Fiio FH3 reviewed by Shuwa-T
Fiio FH3 reviewed by Crin
Fiio FH3 reviewed by Nymz
Fiio FH3 reviewed by Precogvision
CCA HYDRO (more reviews)
CCA HYDRO reviewed by Jays Audio
Jays Audio Youtube Channel
CCA HYDRO reviewed by Head-Fi.org
Fiio FH3 Details
Driver Configuration: 1DD+2BA
Tuning Type: Neutral with Bass Boost
Brand: FiiO Top FiiO IEMs
Price (Msrp): $130
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CCA HYDRO Details
Driver Configuration: 2DD+8BA
Tuning Type: V-Shaped
Brand: CCA Top CCA IEMs
Price (Msrp): $120
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Fiio FH3 User Review Score
Average User Scores
Average User Score: n/a
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CCA HYDRO User Review Score
Average User Scores
Average User Score: n/a
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Fiio FH3 Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
4.3Gaming Grade
C-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
BFiio FH3 Scorings
Average Technical & Tuning Grades
Average Tunign Grade
C-- Tonality remains inconsistent, with uneven peaks and dips that disrupt musical flow. You'll constantly notice peaks or dips pulling focus.
Average Technical Grade
C-- Details smear quickly, leaving the presentation cramped and low on definition. You'll notice smearing on even moderately layered songs.
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.
Fiio FH3 User Reviews
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