*****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 *****Limited Lifetime Warranty