I use this cable to connect my MB Pro to my digital receiver and it works great. I use my laptop to stream movies from netflix and other online sources, so I generally connect my laptop to my HD TV using a miniDisplayPort -> HDMI plus an audio connection. I had been using a standard mini-to-RCA cable (headphone plug to analog plugs in the back of your stereo) but was finding that my laptop would generate a significant amount of electronic noise (buzzing, pops, etc.) over this connection which I attributed to ground loops and unshielded behavior in the computer. This isn't unexpected, the laptop is tiny and it's probably impossible to shield everything!
The solution was to use an audio cable without any electronic (metal) connection. The optical cable does this beautifully: since the signal is transmitted with light, it's impossible for electronic noise to "ride" on the cable to the receiver.
You've probably assumed that since I own a MB Pro, I don't shy from purchasing expensive brand-name items. This is true, but I also realize where I can save money without any loss in functionality. This item is cheap, but:
1. It has no moving parts, so it shouldn't fail in the future
2. It's not long, so light transmission isn't a concern
3. As long as you don't step on it, or crimp the cable, it should last for many years: there's nothing to rust.
Since it is cheap, I'd expect some of these products to fail initially, but if they work, it should work forever (or at least until the new digital-cable standards come out). Remember, even many of these purchased are way cheaper than one(!) monster cable. Also, since it lives behind your receiver, you don't even have to tell your friends that you have a cheap optical cable.Get more detail about 6ft Toslink to Mini Toslink Cable.
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