额定频率 Resonance Frequency (KHz 大电压 Max Input Voltage (Vp-p 电容量 Capacitance at 1000Hz (nFplusmn;30% *声压级Sound Output at 10cm (dBge;70 at 4KHz Square Wave 5Vp-p *消耗电流 Current Consumption (mA) ≤5 at 4KHz Square Wave 5Vp-p 工作温度 Operating Temperature (℃～+60 储存温度 Storage Temperature (℃0～+70 单品重量 Weight (g 外壳材料 Housing Material黑色Black ABS