These Roku wireless speakers provide crisp dialogue with seamless audio/video sync to Roku TV or Roku home theater and room-filling audio that moves with the action and conversations. The speakers auto-lower loud commercials, boost volume of voices, and optimize sound for night listening. You can stream audio for a connected Bluetooth device without cables; each speaker has a 0.75” tweeter and 3.5” woofer. Comes with 2 power cables.