Rockford Fosgate P3D4-15/P3D2-15 Punch P3 15" 600W RMS subwoofer with dual 4-ohm voice coils/dual 2-ohm voice coils

Product info:

• 15" subwoofer with dual 2-ohm/4-ohm voice coils
• anodized aluminum cone with Santoprene surround
• hybrid StampCast basket provides strength while minimizing weight and resonance
• Vertical Attach Surround Technique (VAST™) increases cone area
• power range: 300-600 watts RMS (1200 watts peak power)
• frequency response: 22-250 Hz
• sensitivity: 86 dB
• top-mount depth: 7-5/8"
• sealed box volume: 1.5-3.0 cubic feet
• ported box volume: 2.66 cubic feet
• grille not included