Signia/Siemens Ace. Superb hearing you don't have to think about
Nearly invisible, superb hearing. Hear without effort. The smallest of Signia/Siemens' behind-the-ear (BTE) hearing aids, Ace is nearly invisible behind the ear for greater discretion. Its tiny form delivers incredible power for effortless hearing, and thanks to the touchControl App you can adjust it conveniently and easily.