This adapter reverses the polarity of a 1/4" TRS stereo cable. The TIP and RING of the TRS connectors are reversed. The SLEEVE remains the same. It can be used to connect two devices that would otherwise be incompatible.
Most effect pedals that have an expression input require an expression pedal that has the TIP of the connector connected to the WIPER (or output) of the expression pedal. Most expression pedals are wired this way, but some are not. Use this adapter to reverse the polarity of mis-matching devices making them compatible.
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