Description
Input Socket: 2.1mm Centre Negative Barrel Plug (Boss-style)
Output Plug Shape: 3.5mm TS Mini-Jack
Output Plug Polarity: Tip Positive
What It Does: Reverses polarity to a positive tip, 3.5mm (1/8″) mini jack plug. Buy as many as you need, one for each pedal – Just plugs on to your existing daisy chain cable
Examples: Some Electro Harmonix
ProCo (RAT etc.)
Older DOD
Older Jacques
& others (check compatibility)