Ear tips can have a bigger impact on your listening experience than many people expect. The right pair can improve comfort, strengthen isolation, stabilize the fit, and help your IEMs deliver a more consistent sound. Sennheiser’s IE series is one of the most notable IEM lines for musicians, studio professionals, and audiophiles alike. The IE 600 specifically is one of the most reliable, being that perfect midpoint product between budget and high-end that hits a valuable sweet spot. However, you may be deterred by its fit. Although the housing is small and the nozzle is short, listeners have found its comfort level to vary. That’s where the Serasil comes in.
The Strauss & Wagner Serasil Liquid Silicone Eartips aim to offer that upgrade with a soft, secure, and adaptable design made for both wired IEMs and true wireless earbuds. For listeners looking to get a better seal without switching to foam tips, the Serasil presents itself as a simple but meaningful accessory that can refine both fit and performance.
What Are The Strauss & Wagner Serasil Ear Tips?
The Strauss & Wagner Serasil Liquid Silicone Eartips are built from 30A-grade liquid silicone, giving them a soft, flexible feel while maintaining enough structure to resist deformation over time. Their smooth, transparent silicone construction is designed to create a secure seal for improved isolation, stable bass response, and a clear, uncolored sound from your IEMs or true wireless earbuds. Each set includes one pair each of small, medium, and large eartips, plus a compact storage case for keeping them clean and protected. The Serasil tips use a 4.5mm nozzle diameter and are designed to fit earphones with 4.5–6mm nozzles, making them compatible with a wide range of wired IEMs and TWS models.
Serasil & IE 600 Fit Test
You should feel the immediate difference between the IE series stock tips and the Strauss & Wagner Serasil tips. The gel-like material of the Serasil feels way more natural than the rubbery Sennheiser tips or the cumbersome foam ones. They feel firmer without adding any extra pressure inside your ear. Everything sits still and is held securely. It’s not so much that the liquid silicone is stickier, but the elastic just feels like a higher-quality silicone that holds itself in place, making the IE series IEM shell more of a natural part of your ear. You can move your head around, and the housing will never feel loose, so long as you’re using the right-sized tips. My experience using the Serasil with the IE 600 makes me never want to go back to the stock tips, as they now feel like the intended part of the listening experience.Â
Serasil & IE 600 Sound Test
If you’re worried about changing tips modifying the intended tuning of the IE 600, the Serasil isn’t going to make too many wild changes. With the IE series stock tips, the low end is definitely more of a focus, especially with the more isolating foam tips. The Serasil doesn’t reduce the bass, but in terms of dominating impact, you may feel like it’s a bit more reserved. Aside from that, this is the cleanest and most consistent sound signature for the IE 600. The steadiness of its fit allows the sound signature to be more direct, and you never have to push in on the housing to increase bass punch. Having this very steady fit gives the sound signature more of a succinct tuning that fits the IE 600’s reference nature.
Summary
The Strauss & Wagner Serasil Liquid Silicone Eartips are an easy recommendation for anyone looking to improve the comfort and stability of their IEMs. Their liquid silicone build feels more natural than standard rubber tips while still maintaining a secure hold that keeps the earphones properly seated. With the Sennheiser IE 600, the Serasil tips help create a more consistent listening experience without drastically altering the intended sound signature. Bass remains present, the fit feels more locked in, and the overall presentation becomes cleaner and more direct. For a small accessory, the Serasil tips make a noticeable difference, especially if you have struggled with stock ear tips or want a more reliable seal from your favorite IEMs.
The Strauss & Wagner Serasil and the Sennheiser IE 600 are available at Audio46.











