DC Audio XL SPL 18" Subwoofer Dual Voice Coil 1 is your best bet

1 is your best bet

Sensitivity (1W / 1M): 103 dB

Speakers GODFATHER SERIES RMS POWER 400W MAX POWER 800W IMPEDANCE (OHMS) 4 SENSITIVITY DB 97 MOUNTING DEPTH (IN) 3 CUTOUT SIZE (IN) 7

275W x 4CH RMS at 4-Ohms

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DC Audio XL SPL 18" Subwoofer Dual Voice Coil 1 is your best bet**HAND BUILT IN THE USA** Build Time 7 14 Days DC Audio XL SPL Subwoofer Model: M4 SPL Sizes Available: 10,12,15 and 18 Inch Power Handling: 2200 Watts RMS 4400 Watts Peak The XLm4 is the next generation of our most award winning driver. The XLm4 has an added pole vent, redesigned top plate and T yoke, larger magnets wrapped in a stylish motor boot an 8 layer flat wound voice coil, upgraded cone and surround. We are always looking to make great even