Amazon.com: Hifonics THW12D4 Zeus Theta Series 1000 Watt Max 500 Watt RMS 4 Ohm 12 Inch Car Audio Subwoofer with 2.5 Inch Dual Voice Coils, Black : Electronics
Amazon.com: American Bass DX-15 4 Ohm, 500 Watt RMS / 1000 Watt Max Power, 15 Inch Subwoofer, 125 oz Magnet, Single, Hi-Temp 4-Layer Voice Coil, Black Powder Coated,Non-Pressed Paper Cone : Electronics
Amazon.com: Sound Town 18” 500W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinets (STLF-18120A) : Musical Instruments
Amazon.com: Sundown Audio Pair of E-12 V.3 D4 12" 500W RMS Dual 4-Ohm EV.3 Series Subwoofers : Electronics
Amazon.com: KICKER 43VCWR122 12" CompR Series Sub 500W RMS 2 Ohm Vented Loaded Subwoofer Enclosure, 46CXA8001 Class D Amp Mono 1600W Peak Sub Amp and HA-AK4 Complete 4 Gauge 1800W Amp Install