Line 6’s original DL4, released in 1999, has been an incredible success story. Many guitarists still have one on their pedalboard despite its age and modern rivals. It’s also never been unavailable, remaining on sale while its siblings in the Line 6 Stompbox Modeler series have all been discontinued. Now, though, there’s a new Mk II version that stays true to the original while at the same time bringing it right up to date.
So, what’s