passive effects loop with multiple abililties!
completely true bypass an effect or
an entire chain of effects with one stomp!
also functions as an A/B box, input/output line selector,
kill switch, tuner mute, or whatever else can possibly be conceived!
unit is 100% passive but a power supply or 9V battery
is required for the LED indicator to function.
in jack: main signal input
send jack: output to effect
return jack: input from effect
out jack: main output