Product Overview: Audio Ace’s Powerful and Versatile 12-Inch Driver The Audio Ace Jester 12" D2 is designed to achieve a high level of both Sound Quality (SQ) and Sound Pressure Level (SPL). Conservatively rated at a robust 3, 000W RMS, the Jester is built with a low Free Air Resonance (Fs) and a strong 300 Oz magnet structure, allowing it to be versatile and sound great across a wide range of music. Featuring a heavy-duty die-cast aluminum basket, a 3-inch BACCAW 4-layer voice coil, and a 4-layer 10-inch spider suspension, this 12-inch driver is a perfect choice for achieving EXTREME sound levels in your daily driver. The Dual 2 Ohm coil provides a flexible path to a 1 Ohm or 4 Ohm final load. AUDIO ACE JESTER 12" DUAL 2 OHM SPECIFICATIONS Model Jester 12" High Performance Subwoofer RMS Power Handling (Conservative) 3,000 Watts Voice Coil 3" BACCAW 4 Layer Voice Coil Magnet Structure 300 Oz Suspension 4 Layer 10" Spider Basket Heavy Duty Die Cast Aluminum Nominal Impedance Dual 2 Ohm (D2) Cutout Diameter 11.25 inches Mounting Depth 8.5 inches Total Weight 47.6 Lbs LOSS FACTORS & MISC PARAMETERS Total Q (Qts) 0.386 Mechanical Q (Qms) 4.787 Electrical Q (Qes) 0.420 Free Air Resonance (Fs) 35.4 Hz Sensitivity (Lm) 83.37 dB Equivalent Volume (Vas) 12.8560 L Moving Mass (Mms) 454.545 g BL Factor (Bl) 29.466 DC Resistance (Re) 3.60 Ohms Effective Piston Area (Sd) 452.39