Edifier С2. RMS rated power: 30 W, Signal-to-Noise Ratio (SNR): 85 dB, Total Harmonic Distortion (THD): 10 %. Weight: 9.2 kg. Type: Portable speakers, Audio output channels: 2.1, Subwoofer dimensions (WxHxD): 246 x 271 x 252 mm