Line 6 M13 Guitar Multi-Effects Pedal Leave a Comment / Uncategorized / By Alexander / August 25, 2017 88GEARANK 88 out of 100. Incorporating 475+ ratings and reviews. Street Price: $682.74 Manufacturer: Line 6 Features:100 Effects4 Simultaneous48 Programmable Scenes28-Second LooperChromatic TunerTap Tempo4 x LCD ScreensStereo Ins, Outs, Sends & ReturnsMIDI I/O