Monster Cable ULT V1000 R-4 THX Ultra 1000 Composite Video Cable (Discontinued by Manufacturer) Silver plated center conductor for improved high frequency control with minimum attenuation. Gas injected dielectric to maintain 75-ohm impedence. High density double-shielding for maximum rejection of RFI and EMI. High purity copper stranded coax for improved signal transfer and low energy loss. Exceeds THX certification standards for proper system performance,reliability and ease of installation.