Edifier S530. RMS rated power: 145 W, Frequency range: 20 - 20000 Hz, Signal-to-Noise Ratio (SNR): 85 dB. Connectivity technology: Wireless, Headphone connectivity: 3.5 mm. Weight: 12000 g. Speaker power: 35 W, Audio output channels: 2.1, Subwoofer RMS power: 75 W