Improve the comfort and fit of universal monitors with a pair of Westone UM56 custom earpieces. While universal-fit ear tips can provide a good fit for just about anyone, you can improve the comfort and fit of universal monitors with a pair of Westone UM56 custom earpieces. The Westone UM56 is comparable in size to the tips provided with most universal-fit musicians’ monitors, but ensure the comfort and seal that only a custom-fit product can provide. Ear impressions are required to order all Westone Custom products.