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These might be a good option for people who have issues with the earbuds making parts of their ears sore By their inherent design, silicone models are generally inferior to foam when it comes to prolonged listening sessions. However, unlike some other silicone models, the SpinFit single-flange tips do not irritate or feel particularly obstructive. The use of premium-grade silicone here has definitely aided a more ergonomic listening experience and other companies should follow suit. It’s the groove in the inner bore that makes the difference: it grips the lip of the nozzle much better than the usual smooth eartips and this provides better comfort, as the tip is more stable, while also providing a more uniform sound quality across earphones: the distance between the sound port and the end of the eartips is constant, so you get the optimal distance that SpinFit found. Speaking of sound, I find the CP500 to be neutral as they don’t modify the sound significantly – for better or for worse. Comfort on these is A+, they completely disappear in my ears and the earbuds sit in the perfect spot as to not put pressure on my ears but also not wobble when you move. The SpinFit CP100 works across a range of in-ear monitors including but not limited to: the 64 Audio Tia Fourte, 64 Audio Tia U18 as well as InEar’s ProMission X and Campfire Audio’s Andromeda 2020. In general, they offer improved levels of transparency and a linear neutrality compared to other silicone tips. However, their crisp nature does mean that they are a bit leaner when evaluating note size. Thus, they may not be the best choice for already thin and exacting IEMs.
SpinFit claim their double-flange tip to offer ‘triple-flange’ isolation. However, Etymotic’s triple-flange eartips generally offered superior levels of noise isolation when compared to SpinFit’s model. With that said, the SpinFit double flange tip was far superior in comfort and it was surprisingly unobtrusive in prolonged listening sessions. With the easy 360 o rotation, the SpinFit ear tips were perhaps the easiest silicone eartips to install and remove from any in-ear monitor nozzle.Fits Jabra 75t, Google Pixel, and more without adapters. Has special adapters for AirPods Pro and Galaxy Buds. The main difference between the W1 and the other eartips by SpinFit is the dual-density silicone used to make the inner bore. It has a wave shape, hence the name. This makes the inner bore stiffer, plus it also makes it easier for it to grip earphones’ nozzles and therefore offers more stability. It is therefore advised to use the W1 for especially large and heavy earphones, as it will be difficult for the tips to come off. I don’t hear significant difference when I fit the Sennheiser MTW2 with the CP360. Perhaps it’s because the MTW2 is already quite bass-heavy. The earbuds could not stay flushed on the ears due to the longer ear tips. SpinFit CP360 ear tips with Sennheiser MTW2 Technics AZ70 with SpinFit CP360 Those are the tips I'd recommend to the owners of BL-03, Shozy Form 1.1/1.4, TRN V90 and all the IEMs with similar nozzles.
Quality of the bass from SpinFit tips is quite impressive with well-defined notes and good texturing across the upper bass and lower mid transition. Granted, it does not have as much weight behind it as True Fidelity foam tips or Symbio W hybrid tips. However, it pairs well with already capable in-ear monitors with bass which is tauter and more disciplined. Midrange It’s not only a matter of comfort: the CP145 prove to be great at passive isolation as well. As they seal off the ear canal quite well, the side effect is also that there is an almost-perfect level of isolation. Although the overall isolation is of course dependent on the earphones as well, these eartips make a real difference and shut most of the noise out. SpinFit CP155
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. Where foam tips are concerned, however, the True Fidelity tips provided with 64 Audio models as well as the Marshmallow tips by Campfire Audio were found to be most comfortable. Interestingly, the SpinFit single-flange tip was more comfortable than MandarinE’s Symbio W hybrid tip (an ear tip with a thin layer of silicone coating an inner thermoplastic memory-foam core). Here are the wired earphones I have in my collection and tried them with the CP100. Sony XBA-4 with SpinFit CP100
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