Rock Speaker Description: These garden speakers adopt full-range speaker, superior sound quality and stable excellent performance. As made of fiberglass with anti-aging material, they have the feature of waterproof and time lasting. Having life-like apperance, vivid and vigorous, wildly usde at school, park, plaza and garden ect for decoration. Technical Specification: Speaker:6" full range speaker Rated Power:20W Voltage Input:70/100V Sensitivity:91dB1w/1m FrequencyResponse:55-17KHz±3dB IP Rating:65 Size:290*260mm(W*H)