Genuine HK195 Dell/Harman Kardon Black Computer Speaker Set with Power Adapter Compatible Part Numbers: 6941V, A481511OT, HK-01T, HK19.5 Genuine HK195 Dell/Harman Kardon Black Computer Speaker Set with Power Adapter Number of Speakers: 2, Max. Power Output: 6 Watt Connection Type: Wired, Subwoofer: Without Subwoofer, Speaker Width: 4.3 in., Speaker Depth: 4.5 in, Speaker Height: 6.7 in, Speaker Frequency Response: 80 - 20000 Hz, THD: 10 % Compatible Part Numbers: 6941V, A481511OT, HK-01T, HK19.5