[Machine Translation] Large-diameter 70 speaker units for powerful sound reproduction, "FREE STYLE" for both street and indoor use. (Product Specifications and Description) / Two large-diameter 70 speaker units for powerful bass reproduction. / Maximum output power of 3.6W+3.6W with a digital amplifier that minimizes sound distortion and delivers ample playback volume. / 2-way power supply system (battery/AC adapter) for street and indoor use. The sound dispersion angle mechanism provides a wider range of sound directionality. Double-grip design for easy carrying. A 3.5 to stereo mini cable is included for compatibility with a wide range of devices. / Controls are located on the side of the main unit for ease of use. Model: Speaker system with built-in amplifier Speaker units: 70mm full range x 2 Maximum output (JEITA): 3.6W+3.6W Playback frequency: 95~20000Hz Power source: DC9V (with supplied AC adapter), 8 x AA alkaline batteries (sold separately) or 8 x AA NiMH rechargeable batteries (sold separately) Power consumption: 9W Continuous use time: approx. 23 hours (140mW+140mW output) (with AA alkaline batteries or AA nickel-hydrogen rechargeable batteries) *Depends on usage conditions. Input terminal: 3.5mm stereo mini jack Dimensions: H178 x W315 x D119mm Weight (excluding batteries): Approx. 2.2kg Accessories: 50cm cable ( 3.5mm stereo mini), AC adapter