System:5.1-Channel 2.4G Wireless Surround Sound Speakers with LED Display Subwoofer:Drive Unit : 6.5 Inches Output Power:40W(RMS) Frequency:38Hz-250Hz Impedance:8 Ohms Sensitivity:85dB THD<0.1% Full Remote Control Tower Speakers:Drive Unit: Front:2 inches *3 Center:2 inches *3 Surround:2 inches*3(wireless) Output Power:15W(RMS)*5 Frequency:250Hz-20Khz Impedance:8Ohms Sensitivity:85dB Tower Speakers made of Plastic Dimensions (W×H×D): 610*448*160 mm NW: 6.5 kg GW:7.5 kg Payment[...]