Spinfit Eartips Roundup: A Comprehensive Comparison Between 8 Variants
Pros — Numerous options for fit and size covering almost every use-case
– High quality silicone material
– Swivel mechanism ensures good seal even with short-nozzle IEMs
– Good price-to-performance ratio
Cons — Availability of Spinfit tips can be a bit spotty
– Some experimentation required
In this Article
INTRODUCTION
Third-party eartips are one of those things that you end up with a large collection of as you fall deeper into audiophilia. The reason is quite simple: universal earphones (i.e. non-custom IEMs) require fiddling with the tips more often than not. Moreover, eartips are just about the cheapest (and often most reproducible) way of tuning an earphone. So we all end up with boxes of eartips of our own, sooner or later.
Spinfit have been making eartips for a while now, and their claim-to-fame is the name-sake “swivel” mechanism that rotates the top of the inner-stem. This in turn helps to achieve a deeper, more secure seal as the top of the tip (along with the sound-tube) literally bends to get closer to the inner-ear.
In this round-up, we shall explore how well this mechanism works across a variety of IEMs. Models to be evaluated: Spinfit CP-100, CP-100+, CP-145, CP-145 (medical-grade silicone), CP-240, CP-360, CP-500, and the CP-800. The only two in-production models that I don’t have with me are the CP-155 (I don’t have a large-nozzle IEM at the moment) and the Airpod-specific CP-1025 (I don’t have an Airpod). With that out of the way, let’s head right in.
Update [06-02-2023]: Guide updated with impressions about Spinfit W1.
Note: The Spinfit CP-100 and the CP-500 are units I purchased myself. Rest were sent in by Spinfits themselves for evaluation. A huge shout-out to them. You can check out there entire catalogue of eartips here.
GENERAL BUILD QUALITY
All of the Spinfit eartips share some similarities in terms of build. They have a colored stem and the outer material is medical/food grade silicone. Each tips also has a depression/joint around the top of the internal sound bore. This joint allows the top of the tip to swivel 360 degrees around inside the ear-canal and (ideally) move past the bends in the ear-canal.
In all cases the internal stem is made of a stiffer material than the eartips themselves, though the stiffness varies depending on model. Now, let’s get into the details of individual models. For a more thorough look into the various dimensions of the tips themselves, please check out co-blogger Jürgen’s take on the Spinfit eartips.
SINGLE-FLANGE SPINFIT EARTIPS
CP-100/CP-100+
The Spinfit CP-100 is probably the most popular Spinfit eartips around. They are also the most widely available one. The original CP-100 model had a fairly stiff, color-coded stem (with color changing upon size) and the outer material was also fairly stiff. This model suited a number of IEMs especially those with a shallow nozzle (e.g. Dunu Luna, pictured below). The CP-100 was pretty much a utilitarian eartip, as in it would suit most models without affecting the FR too much or causing discomfort. I personally found the surface of the tip to be somewhat itchy after long-term use, and the stiffer outer layer didn’t have the best grip with the inner-ear wall.
Thus, we enter the Spinfit CP-100+. The new variant (which shall be released on Amazon soon) addresses my key complaint with the original CP-100: the stiffness and feel of the silicone. The new material is more supple and grips better. Most of all: the itchiness after long sessions is gone completely. In terms of ergonomics, this renders the CP-100 irrelevant.
Some suggested pairings for these tips: Moondrop Aria, Moondrop Starfield, Dunu Luna, Meze 12 Classics V2, Shozy Form 1.1, BLON BL-03/BL-05S
CP-145/CP-145 (refresh)
These are currently my favorite Spinfit tips. They are the most comfortable in Spinfit’s lineup along with the CP-100+ and pairs well with most IEMs with the given nozzle size (~4.5mm). Usually the bass seem to get tighter with these tips on and in some IEMs I’ve also experienced a perceived expansion of soundstage. The older CP-145 has a more supple, grippier texture on the outside whereas the new, medical-grade silicone version has a more coarse texture and has slightly worse seal. The choice between older and the newer CP-145 isn’t as straightforward as they both perform very similarly and are equally comfortable. Whichever you get, however, you shall find them stellar.
Some suggested pairings for these tips: Moondrop Blessing2/Aria/Starfield, 64Audio U12t, Final A8000, Dunu Luna, Reecho Insects Awaken
CP-360
The Spinfit CP-360 are specialist eartips meant to be used with TWS earphones. If you’re having trouble getting a fit with the stock tips that came with your earbud, give these a shot. The flange material is soft silicone and it’s very comfortable to wear due to the nozzle material not being too stiff. Isolation is also top-notch. Generally a good tip to have in your collection if you are into TWS earphones.
Some suggested pairings for these tips: Samsung Galaxy Buds/Buds Plus/Buds Pro, FIIL T1XS, Lypertek Tevi
CP-500
The most interesting offering in Spinfit’s entire lineup has to be the CP-500. It has a larger bore diameter (~5.5mm) and is meant for large nozzle IEMs that require a wide bore to work best. However, I have found them to work on slightly smaller bore IEMs too. I purchased the CP-500 initially to use with the Final E5000 (as stock E-type black tips have too much mid-bass). The CP-500 was the only tip available at that time for final’s E-series IEMs thus I pulled the trigger. Ironically, I ended up using the CP-500 on IEMs other than the Final E-type, most notably Dunu Zen and the IMR R1 Zenith. The CP-500 with Dunu Zen, specifically, have an incredible pairing that elevates the (already great) Zen to new heights. The difference between the Zen + CP-500 and other tips were far too noticeable.
That preamble aside, the CP-500 has a soft flange along with a similarly soft bore. The flange also has a somewhat oily texture to it, resulting in a fit that’s not the most secure and requires a bit of a deeper insertion. It’s a very comfortable eartip but isolation is worse than the CP-100/145/360. This is an eartip I’d recommend if you’re someone who’s into “tip-rolling” (as in, experimenting with various eartips). The CP-500 provides interesting results with many IEMs.
Some suggested pairings for these tips: Final E4000/E5000/E1000, Dunu Zen (best pairing for me), JVC FX-700, JVC FW-10000
CP-800
The Spinfit CP-800 is a specialized eartip meant for using exclusively with narrow-bore IEMs like the Shure, Etymotic ones. In case of Etymotic ER2XR this provides an interesting alternative to the stock triple/double-flange tips. The CP-800 has about the same bass and midrange rendition so those who find the stock triple/dual flange tips on Etymotics intrusive might find the CP-800 far more comfortable. I would recommend going for a smaller size than what you usually use with these tips (so if you usually need M, go for S). A size smaller will help with deeper fit. Sadly on the ER2XR at least, the CP-800 makes the treble roll-off earlier than the dual/triple flange tips. If you need more treble sparkle, the CP-800 might let you down on those IEMs. Shure IEMs like SE-215 worked just as well as the Shure Olive tips, however, with slightly improved fit.
Some suggested pairings for these tips: Etymotic ER2XR/ER4XR, Shure SE215/SE846.
W1
The Spinfit W1 is good for IEMs with large and heavy shells. The core of the stem has a ribbed pattern, which deforms less than the usual Spinfits. As such, even with deep fit, the nozzle retains a relatively straight sound path.
They also tend to isolate better due to grippier texture. I think this is how Azla Xelastecs should have been, but couldn’t be due to a lof of other issues.
The one nitpick I have with the W1 is that you must buy it in packs of three, with all three different sizes. At least that’s the case for the time being.
If you don’t own heavy IEMs then you can stick with CP-145. But if you have large, multi-driver IEMs then the W1 is a must try.
DOUBLE-FLANGE SPINFIT EARTIPS
CP-240
The Spinfit CP-240 is their only dual-flange offering. Usually dual-flange tips offer a deeper seal along with improved isolation. The CP-240, however, is a strange case. Due to the larger gap between the swiveling part on top and the second flange below, the seal breaks inside the ear canal and may lead to a loss of isolation. Moreover, the bass response lightens up a lot as a result. This might help if you want to tone the bass down on some IEMs but for me this particular tip didn’t really have a permanent place on any of the IEMs I’ve tried them on. The CP-240 also comes with adapters that you can slot inside the bore to reduce bore size and use narrow-bore IEMs like Etymotic/Westone/Shure.
Some suggested pairings for these tips: Westone, Shure, Etymotic IEMs with adapter, Meze 12 Classics V2 without adapter.
CONCLUDING REMARKS
Writing about eartips can be confusing since it’s such a personal thing after all. This article is not meant to be taken as an absolute guide, rather a primer into what you might expect from the several Spinfit offerings. In the end, I can only speak from my personal experience along with the feedback I’ve gathered over time from other experienced users.
The Spinfit offerings are a must-have if you’re into collecting IEMs and love to experiment with several eartips. If I had to choose one SpinFit eartip among the 8 reviewed here, I would pick the CP-100+. It’s going to be widely available soon, it improves upon the original CP-100, and most of all it pairs well with most of the IEMs out there barring those with thin nozzles. Similarly, the CP-145 is a great choice and improves the comfort and sonic performance of many IEMs I’ve tried them on.
Among the rest, the CP-360 should be in your stable if you’re into TWS earphones, they are one of the few TWS-specific eartip after all. The CP-500 is a specialist eartip that can be unpredictable, and being the widest-bore tip in Spinfit’s lineup offers something unique. Finally, the CP-240 is something I couldn’t find a use for and the CP-800 didn’t perform as well as the tips it’s supposed to replace (for me). So these two don’t excite me as much.
Thus, I’ve covered most of Spinfit’s mainstream offerings. In the future I plan to make an entire post/thread where the eartips of all major manufacturers (along with a few obscure) ones will be covered. Let’s see how that one goes.
MY VERDICT
CP-100+/CP-145: Highly Recommended
CP-360/CP-500: Recommended
DISCLAIMER
SpinFit Eartips can be found on Amazon.
Our generic standard disclaimer.
You find an INDEX of our most relevant technical articles HERE.
Nice article , important one. Thank you.