Massive Audio BOA181 (46 cm, 6000 W RMS, Double 1 Ohm, 105.3dB)
Pw-003 220 Dual Magnetic 100 Core Carbon Fiber Disc 15 Inch Subwoofer - Speakers - AliExpress
FOCAL AUDIOM 15KX 15" 6-OHM 225W RMS SUBWOOFER BASS SPEAKER WITH KEVLAR CONE NEW | eBay
Dayton Audio DCS255-4 10" Classic Subwoofer 4 Ohm
LaVoce Italiana SAF184.03/8 SUBWOOFER 18" 3000W 8 Ohm WOOFER 46 CM.
DIGITAL DESIGNS DD608 Subwoofer 4 + 4 ohm 20cm
Dayton Audio DCS255-4 10" Classic Subwoofer 4 Ohm
Amazon.com: H YANKA 10 Inch Subwoofer - 10 Inch Paper Cone Subwoofer Car Audio, Black Steel Basket, Dual Voice Coil 4 Ohm Impedance 10 subwoofer, 1000W MAX Power 10 inch Competition Subwoofer : Electronics
Audiomobile EVO 2412 D4 High-Performance 12" Subwoofer designed for Co – Sounds Good Stereo Online