Most likely assisting to justify the extra cash with the Middleton is its enough 20-hour battery, which places it out in front of many rivals inside the price range, including the JBL Pulse 5 and in many cases the Sonos Shift. It's a tweeter in addition to a woofer https://www.bluetoothspeaker.top/bt-speaker-extra-bass-inalambrico-sound-box-bluetooth-speaker/