Features 2.1 Channel Stereo Speakers Technical Specifications : Power Output RMS8W + 2W x 2Impedence4 ohmsFrequency ResponseSpeaker: 40Hz ~ 20KHzSpeaker Size3" Speakers, 2x 3.5" SatelliteControls ProvidedPower, Volume, Headphone sockeMagnetically Shielded YesInput JackStereoPower Supply220V AC inSN RatioLess than or equal to 80 dBSeparationLess than or equal to 45 dBCertification FCC, CEAvailable ColorWhite and Black