JL AUDIO Subwoofer 6W3v3-4 - Power Handling 150 watts - Impedance 4 ?- Coated Steel-Basket with Trim-Ring - Dual-Magnet - 2.8 kg- Fs 41.8 Hz - Qes 0.533 - Qms 11.027 - Qts 0.508- Re 3.48 Ohm - Vas 5.1 L - 80.5 dB (1W/1m)- Cone-Area 112 cm? - linear Xmax +/- 8.9 mm-