Nyrius NWOC500 High Performance Digital Audio Optical Toslink Cable (6 Feet) for Receiver, HDTV, Blu-ray, DVD, Dolby Digital, DTS, XBOX360, PS3, Satellite/Digital TV Set-top-box - Bonus Pack of 4 High performance digital optical fiber to meet high speed signal demands; Allows transfer of the full spectrum of the audio signal Optimum Dolby Digital, DTS Surround Sound and THX experience; Superior audio connection for receiver, HDTV, Blu-ray, DVD, XBOX360, PS3, satellite/digital TV set-top-box Specially engineered connectors ensure proper light alignment; Convex lens for better light transmission Heavy duty metal construction provides protection for the optical connectors and ease of installation; Gold plated collar provides optimal cable connectivity, strength and lens protection Braided wire shielding protects cable from damage and interference while allowing cable flexibility without kinking; This bundle includes 4 toslink cables