Monster M350i-1M M-Series 350 RCA Stereo Cables (1 meter) UL CL3-Rated for in-wall use. 8-Cut 24k gold plated Turbine RCA connectors provide improved contact mass and pressure. 100% foil shielding rejects distortions above the audio band for improved resolution of harmonic detail. PEX dielectric reduces capacitive effect of insulation for better transmission of high frequency information.