The Ultimate Ears Wonderboom 4 is without doubt the best cheap Bluetooth speaker on this list, combining good sound with an ultraportable design and effective 360-degree audio. It is just a straight-up Bluetooth speaker (so no Wi-Fi) however , you can pair two of these together both in stereo https://www.bluetoothspeaker.top/rgb-bluetooth-5-0-speaker-with-stereo-sound-bass-support-tf-card-aux-speaker/