LC-Power LC-SP21-1B. RMS rated power: 26 W, Frequency range: 40 - 20000 Hz, Signal-to-Noise Ratio (SNR): 87 dB. Weight: 3.85 kg. Audio output channels: 2.1, Subwoofer dimensions (WxHxD): 230 x 155 x 220 mm, Surround speaker dimensions (WxHxD): 80 x 67 x 243 mm