Philips SPA2201 Multimedia Speakers 2.0. Frequency range: 110 - 20 Hz. Speaker interface type: Stereo Audio (3.5 mm jack) 1x, Connector(s): 3.5 mm stereo. Packaging width: 195 mm, Packaging depth: 120 mm, Packaging height: 195 mm. Compatible operating systems: Windows 98 SE ME 2000 XP Vista or higher MAC OS X higher, USB required: Free USB port. EAN/UPC/GTIN (outer carton): 87 12581 52751 8, Gross weight outer carton: 3.112 kg, Quantity outer carton: 4 pcs