Edifier M1350. RMS rated power: 8.5 W, Signal-to-Noise Ratio (SNR): 80 dB, Total Harmonic Distortion (THD): 10 %. Connectivity technology: Wired, Speaker interface type: 3.5 mm. Weight: 2.8 kg. Audio output channels: 2.1, Subwoofer dimensions (WxHxD): 158 x 226 x 208 mm, Surround speaker dimensions (WxHxD): 68 x 166 x 86 mm