Velocity Digital Optical cables from Impact Acoustics are manufactured from high-quality PMMA optical fiber with a polished lens and gold-plated collet to provide an accurate digital signal. The stylish PVC jacket adds flexibility and durability for years of listening pleasure. Optical cables transfer the signal using light; thus completely eliminating any chance for RFI, EMI or ground loop interference. Connect your DVD, CD, Satellite Receiver, Game console or other digital audio equipment for clear, full detailed sound.