Features:
4" Co-Axial Speaker System
OEM Drop in Replacement Design
Hybrid 4 Layer Paper/Wool Blend Woofer Cone
Butyl Rubber Surround
10 oz. Motor Structure
EFF Motor Structures (Efficient Flux Field)
Rigid Tooled Basket With Flat Black Finish
1" Silk Dome Tweeter

Specs:
Nominal Impedance: 3-ohm
Material: Non woven wool paper / silk dome tweeter
Sensitivity (1W / 1M): 88 dB
Mounting Depth: 2.2"
Frequency Response: 68 Hz - 20 kHz
Power Handling (RMS/Peak): 50 / 100 watts