10 Inch Under Seat Subwoofer New Style Car Audio Stereo 400W Slim Woofer 91 dB Sensitivity Loudspeaker 4 Ohms Speaker&Horn - China Under Seat Subwoofers, 10' Slim Subwoofer | Made-in-China.com
VOX Research Car Audio Indonesia - VR 8 PR BLACK - COMPACT ACTIVE SUBWOOFER 8 INCH • RMS Power 200W • THD <0.2% • Signal-to-noise Ratio >90dB • Frequency Response 40Hz -
SOUNDTUBE, White, 20 W Max., Speaker - 443D20|RF-41-20-SG-WH - Grainger
Crown 300W 15" Hi-Performance Woofer Auido Speaker with 49.5mm Voice C – JG Superstore
91 dB Sensitivity Car Audio Speaker Amplifier Module Woofer RMS 1500 Watt Bass Bin 15 Subwoofer Horn 20-150Hz Loudspeaker - China 15inch Subwoofer, Car Subwoofer | Made-in-China.com
Amazon.com: American Bass ES-1044 10-inch Subwoofer, 500 Watts RMS/1000 Watts Max Power, 4 Ohm Impedence, Dual 4 Ohm Voice Coils with PVC Gasket Ring and Rubber Surround : Electronics
Pioneer Ts-w1200pro Woofer - 450 W Rms - 20 Hz To 500 | Beach Audio