My MXR M103 blue box never sounded better. MXR CSP026 '74 Vintage Phase 90 Pedal Today's offering is a spruced up reposting of a vintage 1976 MXR Blue Box rescue. These are VERY odd pedals. On one side is a double octave down effect, and on the other Vaporesso Armour Max Cyber Blue Vaporesso Armour Max Kit Giant Vapes ARMOUR Max (iTank T) Armoured Protection 220W Vape Kit MXR POLY BLUE OCTAVE Vaporesso Armour Max Full Kit Vanilla Vape