SONOS | Move 2 Black Wireless Portable Bluetooth Speaker | MOVE2UK1BLKR2FEATURES: The new acoustic architecture replaces Move's single tweeter with two, unlocking a higher fidelity stereo soundstage with crisp vocals and detailed instruments. With deep, dynamic bass powered by the precision tuned woofer, you'll feel the emotional charge of a live performance. With automatic Trueplay tuning, Move 2 continually optimizes the sound for its surroundings. So, no matter where you are or what you play, you get the best listening