An audio system (equalizer, compressor, expander, et al) used to modify some characteristic of the signal passing through it.
"Ok then...excellent news that another batch has been completed. I am sorry though that some of the wires were not so easy to transfer, but I appreciate your descriptions of how/why this is the case. In addition, I understand why some wires required their own DC, because they are long, as opposed to putting two wires onto one CD. Thank you also ..."