If you have Anchor's XTREME Sound System, connect one end of the SC-50NL to the Companion Speaker Output of the XTREME. Next patch the other end into a XTR-6001 Unpowered Companion Speaker. The SC-50NL supplies power and signal to drive the XTR-6001.
50ft speaker cable extension
Connects liberty platinum to LIB-7501 and Explorer Pro to EXP-7501