Features:

• Sensitivity SPL (1W / 1m) 85 dB, Resonant Frequency 39 Hz
• Polypropylene Cone, 2 Inch Aluminum Voice Coil, Foam Surround
• Sealed Enclosure Internal Volume: .35 Cubic Feet, Ported Enclosure Internal Volume: .9 Cubic Feet
• 3 Inch Round Port Circumference, 11 Inch Port Length, 40 Hz Port Frequency
• 4 Inch Mounting Height, 7.25 Inch Mounting Hole Diameter
• Dimensions: Depth 9" x Width 9" x Height 4.5"
• 3 Year Platinum Online Dealer Warranty