Rockford Fosgate R1S412 4-Inch 2-Way Full Range Car Speakers - High Performance Audio for Cars, Trucks & SUVs - Perfect for Upgrading Factory Sound Systems & Enhancing Road Trip Music Experience

Features:

• 12 Inch Single 4 ohm PRIME Series Subwoofer
• Power Handling:
  • Peak: 300 watts
  • RMS: 150 watts
• Parabolic polypropylene cone woofer
• Butyl rubber surround
• 2 Inch 4-Layer voice coil
• Anodized aluminum voice coil former
• Solid, stamped steel basket
• 12 Gauge compression terminals
• Optimized for sealing enclosures
• CEA-2031 compliant
• Frequency response: 22-250 Hz
• Sensitivity: 87 dB

Specifications:

• Subwoofer Series: Prime R1
• Subwoofer Size: 12 Inch
• Peak Power Handling: 300 watts
• RMS Power Handling: 150 watts
• Voice Coil(s): Single
• Impedance (Per Voice Coil): 4 ohms
• Voice Coil Diameter: 2 Inch
• Frequency Response: 22 - 250 Hz
• Sensitivity: 87 dB
• Xmax (millimeters): 6.3 mm
• Subwoofer Design: Round / Circle
• Main Cone Color: Black
• Woofer Composition: Polypropylene
• Woofer Surround: Butyl Rubber
• Magnet Structure: Single Stacked
• Subwoofer Grille: No
• Re-Cone Kit Available: No