Line 6 DL4 MkII delay modeler pedalIntroducing the Line 6 DL4 MkII delay modeler pedal The DL4 MkII includes everything in the original DL4 Delay Modeler, while introducing 15 new MkII delays drawn from the Line 6 HX family of amp and effects processors and both 4 Switch and 1 Switch loopers with up to 240 seconds of record time (expandable to several hours using an optional microSD card). There's also an XLR microphone input, MIDI In and Out Thru connectors, heavy duty footswitches,