Prices: Alpha, $2600; Beta, $4800; Sigma, $9500 (all for 2m length)

Website: www.hemingwayaudio.com/eng

Howard said: . . . with their lively, fulsome, and breathtaking timbrally accurate sound, I have no doubt that they’re among the best power cords that I’ve tried.

Read the SoundStage! Ultra review.

The gist: Fantastic performance from these Korean-made cables.