You might have seen certain power or audio cables with a black cylinder near the end of the cord. What are these little ...

The best tech products announced this week include Bang & Olufsen's portable speaker and Leica's special-edition camera.

Stereo/Parallel/Bridge-Mono Mode User Selectable Input Sensitivity - 0.775V And 1.4V Electronically Balanced Rca & Xlr Inputs; Binding Post And Speak On Outputs ...