Features:
5.25" Component Speaker System
Black 2-layer Paper, DDC (Dynamic Damping Coating) Cone
Double Pressed Treated Foam Surround
10 oz. Motor Structure
Shallow Mounting Depth
0.75" Pure Silk Dome Tweeter w/Neodymium Magnet
EFF Motor Structures (Efficient Flux Field)
Rigid Tooled Basket With Flat Black Finish
Computer Aided External 12dB 2-way Crossover Network
4-ohm System Impedance

Specs:
Nominal Impedance: 4-ohm
Sensitivity (1W / 1M): 89 dB
Mounting Depth: 2 in
Frequency Response: 65 Hz - 20 kHz
Power Handling (RMS/Peak): 50 / 150 watts