Sennheiser 507491 Foam Ear Adapter. S

The small Sennheiser Foam Eartips for IE 40 PRO are five pairs of replacement eartips designed to fit Sennheiser IE 40 PRO in-ear monitoring headphones. Made of memory foam for comfortable wearing, they are easily installed and aid in effective noise attenuation. A red ring facilities easy color-coding by size.