The Marshall Emberton III’s price is about par to the system then �?it’s not cheap, but neither will you invest loads for getting it. As long as your speaker doesn’t have a lithium-ion battery, you'll be able to pack it in your checked bag. As for your sound, this https://www.bluetoothspeaker.top/bluetooth-white-noise-sleep-aid-music-player-rotary-button-red-blue-black-fabric-wireless-speaker/