Technology

Why Do Some Cables Have A Black Cylinder At The End? Here's What They're For

You might have seen certain power or audio cables with a black cylinder near the end of the cord. What are these little things and what do they do?

May 10, 2025 - 13:33
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Why Do Some Cables Have A Black Cylinder At The End? Here's What They're For
You might have seen certain power or audio cables with a black cylinder near the end of the cord. What are these little things and what do they do?

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