YD28M-142Jrc

Specification
 
 
Diameter: 28mm(1.1 inch)
Height: 5.1mm(0.2 inch)
Nominal Impedance: 8Ω±15%
Resonance Frequency: 450Hz ±20%
Frequency Response: 450-4500Hz 10dB
Sound Pressure Level: 80dB(0.25W/0.5M)
Nominal Power: 0.2W
Maximum Power: 0.4W