intellijel designs quad inverter price : $75.00

quad cv inverter / quad audio buffer in 2hp.

quad buffered inverter:
each output is a buffered negative version of the input. e.g. if an input is fed a 2v cv signal, the output will be a -2v signal.
all outputs are normalled to the inverter input below it.
inverts audio inputs and shifts their phase by 180 degrees.