OE Audio Extrême Puissance 1800W 30.5cm Amplified Active Subwoofer Sub Amp Basse | eBay
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Dad found a old 2001 15" xtreme subwoofer for $20 at a flea market yesterday | Car audio, Subwoofer, Flea market
Gladen SQX 12 Extreme Subwoofer speakers 30 cm
Car Subwoofer by Massive Audio HIPPOXL84 - SPL Extreme Bass Woofer - 8 Inch Car Audio 700 Watt HippoXL Series Competition Subwoofer, Dual 4 Ohm, 2.5 Inch Voice Coil. Sold Individually - Walmart.ca