15", 38 cm Excursion Subwoofer Leistung 600 Watt, Impedanz 4 Ohm, Alukorb Non-Pressed Paper Membran, 60 oz. Strontium Mag. Fs 30,6Hz, Qts 0,54, VAS 95L, Xmax +/-10mm,SPL 94dB Frequenzgang 22-700k Hz, 64 mm 4-fach AVS Schwingsp.