Bel Canto Design e.One mLinkPrice: $375


Roger said: Its improvement of transparency, imaging, and low-level detail make it a cost-effective upgrade for $375. If your digital audio system doesn’t already include USB input and you’re thinking of adding a USB converter, a Bel Canto mLink would be an excellent place to start.

Read the SoundStage! Access review.

The gist: Got a DAC without USB input?