1 Model Number: NDR-080504 Unit
2 Resonant Frequency: 16 +/- 0.5 KHz
3 Operating Voltage (Max): 12 Vpp
4 Average working voltage: 3.7 V
5 Sound Pressure Level (Min): 88 at 1KHz dB
6 Current Consumption (Max): 600 mA
7 Average Working current: 100 mA
8 Impedance: 8 5% Ohm
9 Frequency: 300-19000 Hz
10 Rated input(W): 0.8 W
11 Maximum input(W): 1.5 W
12 Operating Temperature: -20 to +60 C
13 Storage Temperature: -30 to +70 C
14 Operating humanity (Max): 95 %
C. Characteristic
Figure 4 Frequency response spectrum of the transducer
D. Applications
1) Bluetooth Ear plug
2) Cellular Phone
3) Headphone
4) Hearing aids
5) Table vibration speakers