Rainbow COBRA 2.0 Speakers (Silver) . RMS rated power: 3 W, Frequency range: 150 - 18000 Hz, Signal-to-Noise Ratio (SNR): 75 dB. Weight: 325 g. Dimensions (WxDxH): 80 x 74 x 170 mm, Audio output channels: 2.0, Satellite speakers RMS power: 3 W