D'Addario EJ46TT Pro Arte Dynacor Titanium classical nylon stringset Hard tension. Pro-Arte’ Dynacore strings connect the tradition and foundation of D’Addario classical string making with contemporary advancements in production technology. Dynacore basses use a revolutionary twisted multifilament composite core processing technique to deliver unparalleled intonation, responsive attack, and crystal-clear projection, while still maintaining the essence of Pro-Arte’. Together with precision Titanium trebles, which supply distinct balance and increased resonance in the top-end, Pro-Arte’ Dynacore strings are an exceptional blend of tradition and innovation, creating a truly unique, contemporary tone. This Hard tension set provides rich, bold sound and strong projection.