
7Hz
7Hz x Crinacle Zero:2
Budget gaming champ, but stock cables are weak.

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If your ears are not "trained" to a balanced sound and you are looking for an easy-to-listen, warm sound at first, then KZ Saga bass version. The Kiwi ears cadenza sound is very nice, for example, but for me the warmer, bassier sound is easier to listen to, so I stayed with KZ saga
I own the Kefine Delci AE, BLON BL03, Saga Bass Edition, Tin HiFi T3+, and CCA C10,sennheiser mtw 3 Among them, Delci AE is slightly better, but none of them sound like my FiiO FW5. Yes, it’s a Bluetooth set, but it still sounds better than all of my IEMs. The soundstage,bass and detail are truly impressive. If you're not a hardcore audiophile, you’ll probably enjoy the FW5 even more.whoever says a bluetooth earphone can’t be better than an IEM, the FiiO FW5 proves them wrong. If the goal is pure enjoyment, the FW5 is fantastic.
My current "end game" is QoA Adonis New. It has great bass as I like. Also I like purple color of this iem and cable. But, anyway I'm curious of other IEMs. Kbear KB03 (with equalizing PEQ) with Fiio KA15 for games. KZ PRX, planar for experiments with PEQ. KZ saga bass with KZ AN01 for outside. 7hz hbb elua with Fiio BTR13 for outside also. Waiting for GK Kunten, just interested how driver from KZ Zenith sounds in "open" shell.
The og KZ Castor has more bass than the Castor Pros, The og Vader balanced Edition sounds more cleaner than the Castor/Castor Pro with good bass punch & rumble. The KZ Saga Bass Edition is another set to consider, its less technical with details then castor & vader but has more subwoofer bass thump with a smoother treble than them & is an all metal. The Moondrop Chu II DSP is a safer pick if you get fatigue or dont like the sharp treble tuning from kz iems also is all metal with brass nozzle
The original EDX Pro is really more on the V-shaped bright tuning, and many don't like its bright tuning. If you really like bass, Castor Harman is not your IEM. I would either suggest going to like Saga Bass or Castor Bass, or Dawn. Castor Harman (1100 switches), Gale, EDC Pro, EDX Pro 2, and Saga Balanced is more leaning towards balanced-ish tuning. Castor Harman (0000 switches) is more leaning to mild-V shaped bright, (0011 switches) neutral bright tuning Terms of improvement or any differences, if you want versatility and easy to adjust to almost any tuning, go for the Castor Harman (tuning switches and EQ) If you want to not fiddle with switches and/or EQ, go for the EDC Pro, EDX Pro 2, and Saga series.
EDX Pro 2 and Saga Bass would definitely be a slightly more warmer set than EDC Pro. EDC Pro would be similar-ish in bass and mids with the EDX Pro 2, but a brighter treble, abit closer to balanced than warm or bright. But the EDC Pro was original reference tuning for many newer KZ IEMs, like the EDX Pro 2 and Saga Bass. They just refined the sound overtime, Zenith was the pinnacle of that tuning, especially alot of people really preferred the warmer sound. Even other KZs have been tuned to a tamer treble than classic KZ sets. Though recent new new releases have been using the Castor and Castor Pro Bass tuning with refinements on treble, and bass for the bass versions of the new KZ IEMs. https://preview.redd.it/rwodxqaqc3yf1.png?width=2400&format=png&auto=webp&s=cef5c06819544d7d3340234c1640b7dc24e72474
If the use case is watching anime... Prioritise build quality rather than the 3% sound quality delta. Moondrop chu 2 Kz saga bass with a cable Ccz cz10. ( this is the way to go Imo, metal shell, 1dd 4ba. Really good sound)

7Hz
7Hz x Crinacle Zero:2
Budget gaming champ, but stock cables are weak.

AFUL
Explorer
Comfortable, warm, and relaxed, but lacks clarity and detail.

KEFINE
Klean
Great value, harsh treble, susceptible to moisture issues.

TANCHJIM
Bunny
Highly customizable via app; great comfort, but odd connector.

ARTTI
T10
Value king for detail and clarity, but bass is polarizing.

Ranked #1
Kiwi Ears - Astral

Ranked #1
KEFINE - Klean

Ranked #1
Shure - SE215 Pro

Ranked #1
KZ - Castor Pro (Harman Target with Improved Bass Version)

Ranked #1
Punch Audio - Martilo

Ranked #1
DUNU - Kima 2