Dual Voice Coil Subwoofers with Configuration Jumpers 
Carbon Fiber / Poly Propylene Cone
Poly Propylene / Ceramic Dust Cap
High-Grade Strontium Ferrite Magnets
Twist-Lock Grille Mount System  
High-Amplitude Multi-Roll (H.A.M.R.) Surround
Push-Type Speaker Terminals (Up to 8AWG Wire Size)
 
Power Handling: 600W RMS / 1800W Peak
Nominal Impedance: 4Ω
Frequency Response: 25Hz - 215Hz
Sensitivity (1W/1M): 84.9dB
Voice Coil: 2.6"
X-Max (1-Way): 15mm
Magnet Weight: 64oz