Stinger SI8420 20-Foot 4-Channel 8000-Series Audiophile Grade RCA Interconnect Cable 4-Channel 8000 Series RCA Interconnect Cable Silver-Plated copper conductors provide tight bass response and crystal clear highs Continuous Connection Construction (C3 Tech) provides unmatched signal transfer Locking split-tip connectors allow better signal transfer No solder joints for constant connection & true channel separation