All custom-fit In-Ear Monitors designed by Spiral Ear are hand-made and utilise soft, medical-grade silicone. The material easily adjusts to your ear anatomy because of its flexibility and nature, providing the highest levels of consistent seal possible, i.e. isolation from ambient noise. Apart from that, silicone adapts to alterations of your ear canal more easily and comfortably than any typical, hard material, reducing changes caused by natural muscle movements of the entire jaw. Thus, silicone gets you your ultimate fit.
These are crucial factors contributing to the overall sound quality, realism and comfort that substantially step up the game when compared to any hard-shell acrylic customs which are most common in the market today. Greater isolation achieved by hand-crafted silicone allows as well to listen to the music at substantially lower volumes of sound pressure level (SPL). This provides longer safe exposure times and protects your own hearing, which is all that matters in the end.
Re-discover your music as you have never heard it before.