Celestion FTR18-4080FD 18 inch Low Frequency Subwoofer 1,000 Watt RMS 8-ohm
Frequency Response: 30 to 2,500 Hz. Resonant Frequency (Fs): 25.2 Hz. Total Q (Qts): 0.28.
Frequency Response: 30 to 2,500 Hz. Resonant Frequency (Fs): 25.2 Hz. Total Q (Qts): 0.28.