**********Enables easy installation of audio components to your audio or home theater system- CL3 rated for in wall installations*****Digital optical cable constructed with durable black PVC outer layer and corrosion-resistant gold-plated connectors for optimal signal transfer*****Precision-polished optical connectors allow maximum signal transfer accuracy. Specially optimized optical fiber for higher fidelity*****Compatible with S/PDIF, ADAT's, Dolby Digital, & DTS*****Lifetime Warranty with US based product support