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Amazon.com: Pyle 10" Car Audio Speaker Subwoofer - 1000 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 4 Ohm, 50 oz Magnet, 2
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Amazon.com: BOSS Audio Systems CXX8 8 Inch Car Subwoofer - 600 Watts Maximum Power, Single 4 Ohm Voice Coil, Easy Mounting, Sold Individually : Electronics
Amazon.com: Memphis Audio MJP1044 10" 1500 Watt MOJO Pro Car Audio Subwoofer DVC 4 ohm Sub : Electronics
Amazon.com: BOSS Audio Systems CXX10 Chaos Exxtreme Series 10 Inch Car Subwoofer - 800 Watts Max, Single 4 Ohm Voice Coil, Hook Up to Amp : Electronics
Amazon.com: Rockville DV12K6D2 Dual 12" 4800w Car Audio Subwoofers Plexi Sub Enclosure Box, Black : Electronics
Amazon.com: Pyramid 10 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 2 Inch High-Temperature Kapton Voice Coil, 85.6 dB, 8 Ohm, 60 oz Magnet - Pyramid PW1048USX : Electronics
Amazon.com: Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs PLBX8A : Electronics
Amazon.com: Audiopipe TXX-BDC4-15D2 Subwoofer Quad Stack 15-inch 2,800 Watt High Performance Powerful Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System, Black : Electronics
Amazon.com: MTX TN10-04 Audio 10 inch 300 Watt Car Audio 84.9 dB 4 OHM Single Voice Coil Subwoofer (4 Pack) : Electronics
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Amazon.com: AUDIOTEK AT-510FB Dual 10" 1600 Watt Max Power Band Pass Vented Sealed Vehicle Subwoofer Box Loaded with 10 Inch Car Audio Dual 4 Ohm Sub Enclosure : Electronics