Compare Bose SoundDock® (Black) Docking Station for Apple iPod (SOUNDDOCKBK) to Bose (43516) (SOUNDDOCKPRTW) Battery, Battery Charger

For an unparalleled portable listening solution, the Bose SoundDock is specifically designed to get every ounce of performance out of your iPod. The Bose SoundDock system can play your favorite tracks with crisp clarity, allowing you to discover subtleties in your music that used to simmer beneath the surface. A host of proprietary technologies adds vitality and realism to your tracks. With Bose proprietary acoustic design, you enjoy a full, rich sound that’s greater than you’d expect from a system this small. Less

Re-engineered for portability. Delivers all the performance of the acclaimed SoundDock(R) digital music system with the added convenience of portability. Slim design. Powerful performance. Patented waveguide speaker technology and powerful neodymium speakers engineered specifically for the SoundDock(R) Portable digital music system enable a smaller, slimmer profile while delivering the kind of performance you'd expect from Bose. Proprietary acoustic design allows this elegant system to reproduce audio more efficiently and with higher quality than other battery-powered speaker systems. Rotating dock folds neatly inside the main enclosure so the SoundDock(R) Portable system can easily slip into the SoundDock(R) Portable bag (an optional accessory). Also serves to protect the dock as you move it from place to place. Less