Alpine S-W10D4 S-Series 10 Inch Subwoofer with Dual 4-ohm Voice Coils

Features:

• 10 Inch subwoofer with dual 4-ohm voice coils
• Kevlar reinforced pulp cone with HAMR Santoprene rubber surround
• Frequency response: 28-200 Hz
• Power handling: 600 watts RMS (300 watts per coil)
• Peak power handling: 1,800 watts
• Top-mount depth: 4-11/16 Inch
• Grille not included

Specifications:

• Size: 10 Inch
• Impedance: 2 ohms or 8 ohms
• Cone Material: Kevlar-Reinforced Pulp
• Surround Material: Rubber
• Ideal Sealed Box Volume (cubic feet): 0.58
• Ideal Ported Box Volume (cubic feet): 1.13
• Port diameter (inches): N/A
• Port length (inches): N/A
• Free-Air: No
• Dual Voice Coil: Yes
• Sensitivity: 85.3 dB at 1 watt 
• Frequency Response: 26 - 200 Hz
• Max RMS Power Handling: 600
• Peak Power Handling (Watts): 1800
• Top Mount Depth (inches): 4 3/4
• Bottom Mount Depth (inches): 5 1/2
• Cutout Diameter or Length (inches): 8 15/16
• Vas (liters): 24.7
• Fs (Hz): 34
• Qts: 0.46
• Xmax (millimeters): 15