FEEL THE BOOM with ZEUS Gamma Subwoofers | Hifonics
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1x Hifonics BRW15D4 3000 Watts 15 Inch BRUTUS Car Audio Dual 4 Ohms Subwoofer | eBay
Amazon.com: Hifonics Brutus BW-110A - 800 Watts Compact Amplified Under The Seat Car Truck Subwoofer Low Profile with Bass Remote, Great for Vehicles That Need Bass But Have Limited Space, Black :
Hifonics Vulcan Woofer Set Speaker VX-6.2W Power 200 Watt 165mm 1 Pair | eBay
Amazon.com: Hifonics BRW10D4 1600 Watts 10 Inch Brutus Car Audio Subwoofer with Heavy Gauge, Powder Coated, Aluminum Die-Cast Basket, Dual 70 Oz Magnet, 3 Inches Voice Coil - Dual 4 Ohm - 10 in : Electronics