Silver Series
30 cm Subwoofer4 ohm, Alu Cone, Double Ferrite Magnet- 56mm Peak Excursion, 25mm Linear- Low Resonance Freq. 17Hz- Magnet System w. Alu Ring- High Output 89dB @ 2,83V- Anodized Alu Cone, Fibre Glass Dust Cap- Die cast Alu Chassis vented below spider