Product details:

Harmony Audio Carbon Series 12 Dual 2 Ohm Subwoofer 2200 Watts Peak Power Handling! 1100 Watts RMS Massive 2.5 Voice Coil & Double Stacked Magnet Motor Carbon Fiber Reinforced Cone with High Roll Foam Surround Competition Grade SPL Ready! p Introducing the Harmony Audio Carbon series competition grade subwoofers that feature a massive 2.5 voice coil and at least 2000 watts power handling or more! The subwoofer features a carbon fiber paper reinforced cone with a high roll foam surround for maximum SPL excursion. The massive double stacked magnet motor delivers earth shattering bass response and power handling capabilities that simple cannot be matched. Live in Harmony! - Specifications: /b - ul li 12 Carbon Series Car Subwoofer /li li Power Handling: ul li Peak: 2200 watts /li li RMS: 1100 watts /li /ul /li li Sensitivity: 88.6dB /li li Frequency Response: 40Hz-300Hz /li li Mounting Depth: 7-1/8 /li li Mounting Cutout Diameter: 11-1/4 /li li Min Sealed Box Volume (Cubic Feet): 1.65 /li li Max Sealed Box Volume (Cubic Feet): 2.65 /li li Min Vented Box Volume (Cubic Feet): 2.47 /li li Max Vented Box Volume (Cubic Feet): 3.88 /li li Magnet Weight: 202 Ounces /li li 2.5 Copper Voice Coil /li li Dual 2 Ohm /li /ul p Features: /b - ul li Fiber Lightweight Cone /li li Stitched High Roll Foam Surround /li li Tinsel Leads Woven into Spider /li li Die-Cast Aluminum Basket /li li High Flux Ferrite Magnet /li /ul p Detailed Specifications: /b - ul li Voice Coil Diameter: 65.5mm /li li Voice Coil Height: 45mm /li li HE Magnetic Gap Height: 15mm /li li Voice Coil Bobbin: Black Aluminum /li li Xmax: 15mm /li li Magnet Layers: 4 /li li Cms (Suspension Compliance): 0.12 /li li Qms (Mechanical Q Factor): 3.89 /li li Qes (Electrical Q Factor): 0.38 /li li Qts (Total Q Factor): 0.35 /li li Mms (Moving Mass): 216.2 /li li Vas (Equivalent Volume of Compliance): 25.6 L /li li Rs (Resonant Frequency): 40 Hz /li li SD (Effective Piston Area): 530.9 cm2 br /li /ul