I’ve mentioned this speaker several times here before and I’ll repeat myself. The Definitive Technology Subwoofer 1000 is a subwoofer that plugs right into the phone jack of your phone or tablet. This means you can listen to music and take notes in the car, visit a museum, or even discuss the latest developments about the internet at a party. This is awesome for multiple reasons: 1) If you want to listen to music on your way home from work, it’s super convenient to keep all your devices close at hand and 2) You don’t need an adapter anymore. Just plug this speaker into your phone or tablet and it will plug directly into the phone jack of any smartphone.