Genius SP-HF1255A. RMS rated power: 40 W, Frequency range: 48 - 20000 Hz, Signal-to-Noise Ratio (SNR): 85 dB. Headphone connectivity: 3.5 mm. Weight: 5.13 kg. Type: Portable speakers, Dimensions (WxDxH): 147 x 266 x 167 mm, Audio output channels: 2.0