Philips docking speaker DS3020/37, 10 W, XLR-5, iPhone, iPod, Classic, Flat, Jazz, Pop, Rock, Neodymium, AC, Battery Philips docking speaker DS3020/37. RMS rated power: 10 W. Headphone connectivity: XLR-5. Apple docking compatibility: iPhone, iPod, Equalizer modes: Classic, Flat, Jazz, Pop, Rock. Magnet type: Neodymium. Power source type: AC, Battery, Battery technology: Alkaline, Battery type: AA / LR6