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Absolute Strike Series ST-1500 1000-Watt 10-Inch Dual 4-Ohm Car Subwoofer
Massive Audio MMA104 MMA Series. 10 Inch, 1000 Watt, Dual 4 Ohm Car Subwoofer, 2.5 Inch
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Amazon.com: Lanzar 12in Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Stamped Steel Basket, 4 Ohm Impedance, 1000 Watt Power and Rubber Suspension for Vehicle Audio Stereo Sound System - MAX12 : Electronics
Amazon.com: Rockville HTS56 1000w 5.1 Channel Home Theater System/Bluetooth/USB+8" Subwoofer, Black : Everything Else
PRV AUDIO 12 Inch Midrange Speaker 12MR2000 2000 Watts Program Power, 8 Ohm, 4 in Voice
Amazon.com: Pair of Clarion WF2520D 1000 Watts Maximum Power Handling 10" Dual 4Ohm Voice Coil Shallow-Mount Car Audio Subwoofer with (Two) Gravity Magnet Phone Holder Bundle : Electronics