This Thunderbolt 5 docking station can power 4 8K displays (in theory) - but it will occur with an exceedingly expensive price tag JBL is renowned for making a lot of the best waterproof speakers affordable prices, and it’s line of party speakers even come with built-in light shows. https://www.bluetoothspeaker.top/wireless-bt-speaker-bass-loud-sound-hifi-music-bluetooth-outdoor-portable-speaker-tf-card/