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 1 . Operating voltage(max): 3.7 Vpp

2 . Average working voltage: 1.8 V

3 . Sound pressure level: 88dB @1kHz

4 . Average working current:180mA

5 . Impedance: 8 ± 5 % Ohm

6 . Frequency: 100-5000Hz

7 . Rated input(W): 250 mW

8 . Max input(W): 800 mW

9 . Operation temperature: -20 to +60 deg

11 . Storage temperature: -30 to +70 deg

12 . Size: 10.9*8.5mm

13 . Model number : RC-BC09