5.1 channel home theater Total power : 180W RMS 5.1Chanel/AUX input select 6.5”Woofer (subwoofer) 4”driver +1”tweeter (satellites) 4”×2driver+1”tweeter (center) Impedance : 8Ωsubwoofer,4Ωsatellites Distortion: Max 0.5% total harmonic distortion Frequency response: 30-20,000Hz S/N:>60dB Cross talk:>45dB Master Volume, Front, Center, Bass, Real digital control LCD display With FM/AM radio All –function LCD display n remote control and receiving Magnetically shielded Dimensions :(LxWxH)mm -Subwoofer: 215x400x400mm -Satellites: 155x160x260mm -Center: 410x160x135mm Packing : 1set/ctn 20’’ 185pcs 40’’ 400pcs HQ40’’ 460pcs