1 Rated Voltage: Vo-p 1.5 2 Operating Voltage: Vo-p 1.0~2.0 3 Mean Current: mA 35 4 Direct Current Resistance: Ohm 16±4 5 Sound Output: dBA 75 6 Rated Frequency: Hz 2048 7 Dimension mm Φ 12.0 Height 4.0