Specs:
Speaker Size: 4"
Speaker Type: Midrange -Raw Driver
Power Handling (Peak): 150 Watts
Power Handling (RMS): 75 Watts
Frequency Response: 90Hz - 11.5kHz
Sensitivity: 91dB
Impedance: 4 ohms
Basket Material: Cast Aluminum
Cone Material: Composite Papyrus filled Paper
Surround Material: Low Shore Rubber
Spider Material: Synthetic Progressive Nomex
Motor Structure: Multi-Step CNC Precision cut
Copper Shorting Ring: Yes
Voice Coil: CCAW
Mounting Depth: 1.94"
Cutout Diameter: 4.039"
Maximum Outer Diameter: 4.763"
Mounting Flange Thickness: .190"