“Forget magazine reviews and all those Internet sites pointing you here and there. Fidelis is the real deal. Awesome upgrade programs, reliable service, and no sales tax! They have become my main go-to source for musical and home theater satisfaction.”

– Paul Kaplan

Fidelis is centrally located and easy to find. Let us show you around. Listen to your preferred music in our dedicated listening rooms. Audition a wide selection of equipment and learn what our products and services can do for you. - read more

14 East Broadway (RT 102) Derry, NH 03038

11-7 Tuesday thru Friday and 11- 5 Saturday