Obese, megalithic, dynamic distortion is what it's all about. the xxl's warp™ control manipulates the structure and balance of odd and even harmonics and influences their relativity to the dynamics of your instrument and your playing style. translation: you can achieve a variety of results, even within the same setting, depending on the manner and force of your pick attack. originally in production from 1995-2000, some guitar players considered the xxl a little too over-the-top(!). oddly enough, certain bass players seemed to like it just fine. so we decided to split the atom and try to make both camps happy. the restructured guitar version features a very musical tone control that shifts the center frequency of the high cut from 10kh to 1kh, which maintains the mid-range without getting muddy.