In a standard setup, that power will come from speaker wire, and that’s obviously not a factor listed here. That’s Component of the reason we like the Sonos system pointed out above: the entrance speakers are contained in a very single sound bar, which certainly only needs a single plug. https://www.bluetoothspeaker.top/outdoor-portable-colorful-led-speakers-wholesale-wireless-stereo-bluetooth-speaker-with-led-light/