Then you, my dear troubadour, may need your very own karaoke ... best-sounding mics we tested, too, and it’s one of the only models we tried that offer individual volume control for each mic ...

Correction, April 2nd: An earlier version of this article misstated that the Stingray Karaoke app turns smartphones into microphones. It is the Samsung SmartThings mobile app. A weekly newsletter ...