Yes, it is possible to take a portable speaker with a plane. Having said that, there are many restrictions on the size and power of the speaker. Pack your speaker inside of a strong, padded scenario or box, and wrap it in plastic wrap to safeguard it from moisture https://www.bluetoothspeaker.top/new-arrival-speakers-waterproof-subwoofer-wireless-bt-5-0-speaker-with-bass/