There are no electronics in the cable . One thing about the speakon connection on a REL it
Is for a 8 ohm tap only . The resistance electronics are in the sub . The cable sums the
Left and right Chanel's . REL recommends this conection . I could not use it with my VTL
Mono blocks they are a 5 ohm tap pre set . I had to use the LFE inputs .
And like Michael said if u want the real deal you need two of them .