Made to withstand 3 times more than conventional strings, American company Dean Markley used the pioneering method of "cryogenic" to create a set of Bass strings rich in tone, with great presence and intensity while at the same time providing top-notch playing feel with strong sustain. The "cryogenic" method cleans the "harsh" high and low frequencies that distort the sound, offering greater durability and better tone with rich and clean harmonics.