Precision digital audio demands a precision interconnect. That's where the 4-foot Monster MEFO4 Essentials Fiber Optic Audio Cable comes in. Todays content make it easier than ever to enjoy movies and music in explosive surround sound. But for the most realistic Dolby Digital or DTS home theater experience, you need a high-quality, high-bandwidth digital interconnect. Even slight cable imperfections can cause dropped data and distortion. This is particularly true of optical cables, which tend to suffer from meager construction and inferior materials. Monster breaks the mold for high-fidelity digital audio.