S-100 Speaker computer Speaker Power: 20 Watts RMS per channel (2 channels) Frequency Response: 40Hz ~ 20kHz Dimension (H x W x L): Products (with stand):D120*W100*H250mm*2 Driver Unit: 3 inches * 2 + 1.5 inches *2 Subwoofer Enclosure Material: Wood Signal-to-Noise Ratio (SNR): 80dB Dimension (H x W x L): Products (with stand):D120*W100*H250mm*2 Driver Unit: 3 inches * 2 + 1.5 inches *2.