BOSS Audio Systems P80DVC Phantom Series 8 Inch Car Audio Subwoofer - 100 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck, Boxes and Enclosures, Use With Amplifier - Walmart.com
Aiyima 5.25 Inch Audio Music Subwoofer Speakers Dual Magnetic High Power Fever 4 8 Ohm 100 W Woofer Loudspeaker Diy Sound System - Speakers - AliExpress
Celestion G15V-100, 15 inch 100W 8 Ohm :: Celestion :: Speakers :: Amp Parts :: Banzai Music GmbH