High Quality Sound? This product is Designed for user friendliness. Unique design, It is makes the high quality sound. The most valuable thing of speaker is sound. / H.Q Chipset Built-in - You can enjoy high-quality sound of baritone tone. / XBR Technology System - To minimize noise from the electric signal. / 400(W)x55(D)x60(H) / Output Power -3W x 2 (THD=10%) / Unit Size - 40 x 70mm x 2 Full Range / Impedance - 4Ohm/ Power Input - USB DC 5V / Frequency Response - 100Hz~18KHz / Digital Sound Inovation - NET 0.53kg