Model Number: YD100-6-8F60P
Category
Application: Fire/Safety, Ceiling
Size: 78-100mm 
Feature Icons:
Features: T-YOKE threaded mounting holes, waterproof, high sensitivity (SPL)
Specification:
Diameter: 104*104mm
Cone material: Paper
Edge: Paper
Nominal power: 5w
Maximum power:  8w
Impedance: 8±15%OΩ
Voice coil: Oslash;14.4mm
Fo: 350±20%Hz
Response: Fo-8KHz
S. P. L: 94±3dB/1W/0.5M
Magnet size: Oslash;60*32*8 (Ferrite)

Net weight: 242g