All New Upgraded Van Damme Black Ultra X Analogue Subwoofer Interconnect Cable, Terminated With 2 x High Quality Upgraded Heavy Duty Gold Plated RCA Phono Plugs With Increased Mass, Contacts And Contact Area. All New Chrome Plated Brass Backs Help Prevent Unwanted Interferences. Terminations Are Made Using High Silver Content Solder. All New Silver Soldered X Joint Technology To Increase Signal Integrity And Purity. Improved Mechanical Strength To Reduce Stress On Conductors Secured With New Shrinkloc Technology Authorised Vandamme Agents And Termination Centre