MXR Blue Box (C11 and octave mods) : r/diypedals US$ 27.11 Min. order: 1 piece ★★★★★ 4.8 (288 reviews) Sold : Login>>
MXR Blue Box w/ Boost Mod (Better than c11) US$ 20.47 Min. order: 1 piece ★★★★★ 4.8 (190 reviews) Sold : Login>>
Mxr Blue Box C11 Mod MXR M103 Blue Box Octave Fuzz Distortion Pedal MXR BLUE BOX FUZZ US$ 20.47 Min. order: 1 piece ★★★★★ 4.9 (95 reviews) Sold : Login>>