Subwoofer Code: Z008405
Nominal overall diameter: 18″ Nominal voice coil diameter: 4″ Magnet material: Neodymium Basket material: Aluminium Die-Cast Power: 2400 W Sensitivity: 97.3 dB Frequency range: 35-700 Hz
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Professional Woofer Code: Z007903
Nominal overall diameter: 12″ Nominal voice coil diameter: 2.5″ Magnet material: Neodymium Basket material: Pressed Sheet Steel Power: 600 W Sensitivity: 97.3 dB Frequency range: 50-3000 Hz