mini speaeker 16ohm 0.25W D30*H5.0 mylar speaker Best selling model DXI30 contact with us: yxl@duoxin.com Type:DXI30 TypeUnitDXI30 Rated PowerW0.25 Max PowerW0.5 Resonance FrequencyHz450 Rated Freq. RangeHz200 Sound Pressure LeveldB86 Crust Iron Heightmm4.8