SPECIFICATIONSTypeUnitTMB12A01TMB12A03TMB12A05TMB12A12Rated VoltageV1.53512Operating VoltageV1.2-32-54-78-16*Rated Current(MAX)mA20303030*Min Sound Output at 10 cmdB80858585*Resonant FrequencyHz2400-2600Operating Temperature℃-20~+70Storage Temperature℃-30~+85Housing Material NORYLWeightg2