Specifications:

Voice Cone Diameter: 15inch

Nominal Impedance: 8ohm

Power Handling RMS: 500watts

Power Handling Program: 1000watts

Voice Coil Diameter: 75mm (3inch)

Chassis: Aluminium

Efficiency: 97.8dB

Frequency response: 46.4Hz - 4.1kHz 

: FB-1575G