Bluetooth: Every karaoke machine has Bluetooth connectivity so you can link your phone or laptop to it. Portability: every set we recommend weighs under 10 pounds, making them portable.

The Shell S1 ($370) is Ikarao’s third new Karaoke smart speaker. Its amplifier sends 20 watts each to a pair of 1-inch silk dome tweeters and 50 watts each to a pair of 3.5-inch woofers.