special three-way design provides excellent audio quality, its slim and sleek cabinetry encases powerful loudspeakers, delivering a clear, open bass with incredibly low distortion, even at high volumes. Unique features: * Directly use USB or SD/MS/MMC Card to play the audio files (MP3,WMA,etc.). * Directly use the port of video output to connect the monitor, then use the USB or SD/MS/MMC card input it can play the video files (AVI, DIVX, etc.). * With AUX input and 2 x Karaoke input. * With full-feature Remote control. * The choice of DSP sound stage. * 3 frequency division for treble, mid-range, bass speaker drivers, which achieve the perfect playback of the timbre. Specifications: Power Handling (RMS) : 40 x 2 Watts Frequency Response : 40 Hz - 20 Khz Sensitivity: 86dB (1m1W) S/N Ratio: ≥75dB Nominal Impedance: 4 Ohms Driver Complement 3 Ways, 3 Drivers each piece Woofer: 8 Inch Mid: 3 Inch Tweeter: 1 Inch Dimensions (hxwxd): W160 x L305 x H627