Sony SRS D9 Multimedia 2.1ch Speakers

• Power Output (Satellite): 15W + 15W (10% T.H.D., 1 kHz, 8Ω)
• Power Output (Subwoofer): 30W
• Speaker (Diameter): Satellite: 109mm, Subwoofer: 240mm
• Speaker Impedance: Satellite: 8ohms, Subwoofer: 3.6ohms
• Amplifier Input Impedance: 5 kohms (at 1 kHz) (input 1), 10 kohms (at 1 kHz) (input 2)
• Input: Stereo mini jack x 1 (input 1), RCA jack x 1 (input 2) USB port: Type A, maximum current 500 mA
• Output: Stereo mini jack × 1
• Power Source: DC 18V (supplied AC power adaptor)