Z-18 V.4 D2 - Sundown Audio 18\" 1750 Watt RMS Dual 2-Ohm Z4 Series Subwoofer
Price 609.99 USD
Fms: 27.4 Hz, Res: 135.5 Ohm, Re: 3.6 Ohm, Qms: 5.39, Qes: 0.60, Qts: 0.54, Rms: 15.0 kg/s, Cms: 0.07 mm/N, Mms: 469.7 gr, Nref: 0.45 %, Bt: 22.1 N/A, SPL: 88.6 dB, VAS: 136.2 L, Rp: 33.7 Ohm, Lp: 35.4 mH, Cp: 1152.6 uF, Le: 2.29 mH, Cut-out: 16.69, Gasket OD: 18.42".