The Ultimate Ears Wonderboom 4 is unquestionably the best cheap Bluetooth speaker on this list, combining good sound with an ultraportable design and powerful 360-diploma audio. It is just a straight-up Bluetooth speaker (so no Wi-Fi) however you can pair two of these together either in stereo or dual https://www.bluetoothspeaker.top/subwoofer-bass-party-rgb-bluetooth-speaker-wireless-boombox-surround-speakers/