Monster Cable ULT I1000DCX-4 Coaxial Digital Interconnect (Discontinued by Manufacturer) Allows enjoyment of movies with Dolby Digital and DTS surround sound. High purity silver plated copper stranded coax for improved signal transfer and low energy loss. Easy to identify color-coded bands for simple, error-free hookup. High density double-shielding for maximum rejection of RFI and EMI. Exceeds THX certification standards for proper system performance, reliability and ease of installation.