4" Inch 4Ω 40-100W Subwoofer Woofer High Power Long Stroke Speaker Loudspeaker 7678529531775 | eBay
Amazon.com: PRV AUDIO 6.5 Inch Speakers Midbass Woofer 6MB200-4 v2 200 Watts Program Power, 4 Ohm, 100 Watts RMS, 1.5 in Voice Coil, Perfect for Small Custom Enclosures for Pro Car Audio
Celestion G15V-100, 15 inch 100W 8 Ohm :: Celestion :: Speakers :: Amp Parts :: Banzai Music GmbH