Mine is hooked up to a computer so I can switch plugs from different sound systems without wearing out the plug on my tower for about six months. This is a very cheap alternative to a junction box/hub. It still works great with no noticeable loss in sound quality. I've used it once or twice to output to more than one source and haven't noticed a difference. Although I suspect you'll lose something by trying to cycle through multiple channels at increased volume. But that was to be expected.
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