Altec Lansing VS2420 Multimedia Speaker System. RMS rated power: 8 W, Frequency range: 85 - 20000 Hz, Signal-to-Noise Ratio (SNR): 70 dB. Connectivity technology: Wired. Dimensions (WxDxH): 88 x 105 x 242 mm, Audio output channels: 2.0, Satellite speakers RMS power: 16 W