Audio sources come in all shapes and sizes. DVD players, laptops, portable CD players, MP3 players, iPods, PCs, and projectors all have one thing in commona 3.5 mm (1/8") stereo audio output jack. Newer home theater receivers, computers, laptops, and even some amplifiers feature a 3.5 mm audio input jack for connecting to sources for signal. This 3.5 mm stereo male to male patch cable has been built for clean signal transfer and durability. Each cable has two nickel plated plugs, each with a molded strain relief. This increases longevity for a cable that you can count on.