Philips SPA5210. RMS rated power: 0 W. Packaging width: 295 mm, Packaging height: 95 mm. Compatible operating systems: Windows 98 SE ME 2000 XP Vista, MAC OS X. Gross weight outer carton: 1.6926 kg, Height outer carton: 134 mm, Length outer carton: 314 mm. Audio output channels: 1.0, Gross weight packaging: 0.3669 kg, Packaging length: 50 mm