This is a working 18" woofer. Call jon show contact info18-200L 18" Subwoofer Power Handling: 1000 Watts R.M.S. Frequency Response: 20-160 Hz Voice Coil Diameter: 4" (100mm) Nominal Impedance: 8 Ohms Magnet Structure: 200 oz Weight: 25 lbs tags woofers [...]

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