Why it made the Slice: This portable speaker seamlessly ties into the Sonos wireless music system and pumps out excellent audio quality, making it one of many best-sounding Bluetooth speakers. This was the best-sounding portable Bluetooth speaker I tested this year, with refined-sounding lows, mids, and treble without distortion https://www.bluetoothspeaker.top/professional-designer-bluetooth-speaker-high-quality-audio-box-speaker-wireless-speakers/