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STLF-1804-8 | 18" 450W Raw Woofer Replacement Speaker, 4" Voice Coil, 8-ohm – Sound Town
8 Ohm High Power Subwoofer Speaker | 8 Inch Subwoofer Speaker 8 Ohm - 8 Inch - Aliexpress
Dayton Audio RSS265HF-8 10" Reference Series HF Subwoofer 8 Ohm
Super Performance 8" Woofer 125 Watts RMS 8 Ohms 92 dB | Mavin the Webstore
KICKER CompC 12" Dual-Voice-Coil 8-Ohm Subwoofer Black 44CWCD124 - Best Buy
Amazon.com: Pyle 8 Inch Car PA Woofer - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5" Kapton Voice Coil, 55-6 kHz Frequency, 89.2 dB, 8 Ohm, 40 oz Magnet - PylePro PPA8 , Black : Electronics
AIYIMA 5.25 Inch Subwoofer Speaker 4 8 Ohm 120 W High Power Music DIY Speaker For Bookshelf Loudspeaker Sound System - AliExpress