Altec Lansing VS1520. RMS rated power: 3 W, Peak Music Power Output (PMPO): 6 W, Signal-to-Noise Ratio (SNR): 75 dB. Connectivity technology: Wired. Dimensions (WxDxH): 110 x 103 x 218 mm, Audio output channels: 2.0, Satellite speaker frequency range: 140 - 15000 Hz