SPECIFICATIONSTypeUnit0905-10905-30905-5Rated VoltageV1.53.55Operating VoltageV1-32-44-6*Rated Current(MAX)mA806060*Min Sound Output at 10 cmdB858585Coil ResistanceΩ5.5±125±340±4*Resonant FrequencyHz2731Operating Temperature℃-20～+70Storage Temperature℃-30～+80Housing MaterialNORYLWeightg1.0