Model Number: YD87-1-4F60M
Category
Application: Fire/Safety
Size: 78-100mm
Feature Icons:
Features: Narrowband, water proof
Specification:
Diameter: 87*87mm
Cone material: Mylar
Edge: Mylar
Nominal power: 5w
Maximum power: 8w
Impedance: 4±15%OΩ
Voice coil: Oslash;19.45mm
Fo: 500±20%Hz
Response: Fo-8KHz
S. P. L: 90±3dB/1W/1M
Magnet size: Oslash;60*32*10 (Ferrite) 

Net weight: 255g